{"id":20536,"date":"2025-11-19T11:00:03","date_gmt":"2025-11-19T02:00:03","guid":{"rendered":"https:\/\/www.ecomottblog.com\/?p=20536"},"modified":"2025-11-19T10:36:48","modified_gmt":"2025-11-19T01:36:48","slug":"%e3%81%aa%e3%81%9cspring-boot%e3%81%afdi%ef%bc%88%e4%be%9d%e5%ad%98%e6%80%a7%e3%81%ae%e6%b3%a8%e5%85%a5%ef%bc%89%e3%82%92%e4%bd%bf%e3%81%86%e3%81%ae%e3%81%8b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.ecomottblog.com\/?p=20536","title":{"rendered":"\u306a\u305cSpring Boot\u306fDI\uff08\u4f9d\u5b58\u6027\u306e\u6ce8\u5165\uff09\u3092\u4f7f\u3046\u306e\u304b\uff1f"},"content":{"rendered":"<p data-path-to-node=\"3\">SJC\u5171\u540c\u958b\u767a\u63a8\u9032\u5ba4\u306e<b>\u8d99<\/b>\uff08\u3061\u3087\u3046\uff09\u3067\u3059\u3002<\/p>\n<p data-path-to-node=\"4\">Spring Boot\u3092\u4f7f\u3044\u59cb\u3081\u305f\u969b\u3001<code>@Autowired<\/code>\u3068\u66f8\u304f\u3060\u3051\u3067\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u81ea\u52d5\u3067\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u308b\u3053\u3068\u306b\u3001\u6238\u60d1\u3044\u3068\u540c\u6642\u306b\u300c\u9b54\u6cd5\u307f\u305f\u3044\u3060\u300d\u3068\u611f\u3058\u305f\u65b9\u3082\u591a\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p data-path-to-node=\"5\">\u3053\u306e\u300c\u9b54\u6cd5\u300d\u306e\u6b63\u4f53\u3053\u305d\u3001Spring\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u6839\u5e79\u3092\u306a\u3059<strong>DI\uff08\u4f9d\u5b58\u6027\u306e\u6ce8\u5165\uff09<\/strong>\u3067\u3059\u3002<\/p>\n<p data-path-to-node=\"6\">\u672c\u8a18\u4e8b\u3067\u306f\u3001DI\u304c\u300c\u306a\u305c\u5fc5\u8981\u306a\u306e\u304b\u300d\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306b\u3001\u8a2d\u8a08\u306e\u57fa\u672c\u3067\u3042\u308b<b>\u5bc6\u7d50\u5408<\/b>\u3068<b>\u758e\u7d50\u5408<\/b>\u304b\u3089\u6398\u308a\u4e0b\u3052\u307e\u3059\u3002\u305d\u306e\u4e0a\u3067\u3001Spring\u306e<b>DI\u30b3\u30f3\u30c6\u30ca<\/b>\u304c\u5177\u4f53\u7684\u306b\u3069\u306e\u3088\u3046\u306a\u4ed5\u7d44\u307f\u3067 Bean \u3092\u751f\u6210\u3057\u3001<code>@Autowired<\/code> \u306b\u5fdc\u3048\u3066\u6ce8\u5165\u3057\u3066\u3044\u308b\u306e\u304b\u3092\u3001\u30b9\u30c6\u30c3\u30d7\u30d0\u30a4\u30b9\u30c6\u30c3\u30d7\u3067\u5fb9\u5e95\u7684\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<p data-path-to-node=\"7\">DI\u3092\u6df1\u304f\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u30c6\u30b9\u30c8\u3057\u3084\u3059\u304f\u3001\u5909\u66f4\u306b\u5f37\u3044\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u305f\u3081\u306e\u5927\u304d\u306a\u4e00\u6b69\u3067\u3059\u3002\u305c\u3072\u6700\u5f8c\u307e\u3067\u304a\u4ed8\u304d\u5408\u3044\u304f\u3060\u3055\u3044\uff01<\/p>\n<p data-path-to-node=\"7\"><!--more--><\/p>\n<h3>1. \u5bc6\u7d50\u5408\uff08Tight Coupling\uff09\u3068\u306f\uff1f<\/h3>\n<p data-path-to-node=\"10\"><b>\u5bc6\u7d50\u5408<\/b>\u3068\u306f\u3001\u3042\u308b\u30af\u30e9\u30b9\uff08\u90e8\u54c1A\uff09\u304c\u3001\u5225\u306e\u30af\u30e9\u30b9\uff08\u90e8\u54c1B\uff09\u306e\u300c<b>\u5177\u4f53\u7684\u306a\u4e2d\u8eab<\/b>\u300d\u306b\u5f37\u304f\u4f9d\u5b58\u3057\u3066\u3057\u307e\u3063\u3066\u3044\u308b\u72b6\u614b\u3092\u6307\u3057\u307e\u3059\u3002<\/p>\n<ul data-path-to-node=\"11\">\n<li>\n<p data-path-to-node=\"11,0,0\"><b>\u6bd4\u55a9:<\/b> \u300c\u7279\u5b9a\u306e\u30e1\u30fc\u30ab\u30fc\u306e\u3001\u7279\u5b9a\u306e\u30cd\u30b8\uff08\u90e8\u54c1B\uff09\u3067\u3057\u304b\u7d44\u307f\u7acb\u3066\u3089\u308c\u306a\u3044\u5bb6\u5177\uff08\u90e8\u54c1A\uff09\u300d\u3002<\/p>\n<\/li>\n<\/ul>\n<h4>\u60aa\u3044\u30b3\u30fc\u30c9\u4f8b\uff1a\u300e\u8eca\u300f\u304c\u300e\u30a8\u30f3\u30b8\u30f3\u300f\u3092\u76f4\u63a5\u4f5c\u308b<\/h4>\n<p data-path-to-node=\"13\">\u4f8b\u3048\u3070\u3001\u300c\u8eca\uff08<code>Car<\/code>\uff09\u30af\u30e9\u30b9\u300d\u304c\u300c\u30a8\u30f3\u30b8\u30f3\uff08<code>Engine<\/code>\uff09\u30af\u30e9\u30b9\u300d\u3092\u4f7f\u3046\u5834\u5408\u3092\u8003\u3048\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">\/\/ \u30a8\u30f3\u30b8\u30f3\u30af\u30e9\u30b9\npublic class Engine {\n    public void start() {\n        System.out.println(\"\u30a8\u30f3\u30b8\u30f3\u59cb\u52d5\");\n    }\n}\n\n\/\/ \u8eca\u30af\u30e9\u30b9\uff08\u3053\u308c\u304c\u5bc6\u7d50\u5408\u306e\u4f8b\uff09\npublic class Car {\n    \n    \/\/ Car\u30af\u30e9\u30b9\u304c\u300c\u81ea\u5206\u3067\u300d\u300c\u5177\u4f53\u7684\u306aEngine\u30af\u30e9\u30b9\u300d\u3092 new \u3057\u3066\u3057\u307e\u3063\u3066\u3044\u308b\n    private Engine engine = new Engine();\n\n    public void drive() {\n        engine.start();\n        System.out.println(\"\u767a\u9032\u3057\u307e\u3059\");\n    }\n}<\/pre>\n<p data-path-to-node=\"15\">\u3053\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001<code>Car<\/code> \u30af\u30e9\u30b9\u304c <code>Engine<\/code> \u30af\u30e9\u30b9\u306e\u300c\u4f5c\u308a\u65b9\uff08<code>new Engine()<\/code>\uff09\u300d\u3092<b>\u76f4\u63a5\u77e5\u3063\u3066\u3057\u307e\u3063\u3066\u3044\u307e\u3059<\/b>\u3002\u3053\u308c\u304c\u5bc6\u7d50\u5408\u3067\u3059\u3002<\/p>\n<h4>\u5bc6\u7d50\u5408\u306e\u554f\u984c\u70b9<\/h4>\n<p data-path-to-node=\"17\">\u3053\u306e\u300c\u5bc6\u7d50\u5408\u300d\u306a\u30b3\u30fc\u30c9\u306b\u306f\u3001\u5927\u304d\u304f2\u3064\u306e\u554f\u984c\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p data-path-to-node=\"18\"><b>\u554f\u984c\u70b91\uff1a\u5909\u66f4\u306b\u5f31\u3044\uff08\u67d4\u8edf\u6027\u304c\u306a\u3044\uff09<\/b><\/p>\n<p data-path-to-node=\"19\">\u3082\u3057\u300c\u9ad8\u6027\u80fd\u306a <code>SuperEngine<\/code> \u30af\u30e9\u30b9\u306b\u5dee\u3057\u66ff\u3048\u305f\u3044\u300d\u3068\u601d\u3063\u305f\u3089\u3001\u3069\u3046\u306a\u308b\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<pre class=\"lang:default decode:true \">public class SuperEngine { \/\/ \u65b0\u3057\u3044\u30a8\u30f3\u30b8\u30f3\n    public void start() {\n        System.out.println(\"\u30b9\u30fc\u30d1\u30fc\u30a8\u30f3\u30b8\u30f3\u59cb\u52d5\uff01\");\n    }\n}<\/pre>\n<p data-path-to-node=\"21\"><code>Car<\/code> \u30af\u30e9\u30b9\u306e <code>private Engine engine = new Engine();<\/code> \u306e\u90e8\u5206\u3092\u3001<code>private SuperEngine engine = new SuperEngine();<\/code>\uff08\u203b\u578b\u3082\u5909\u3048\u308b\u5fc5\u8981\u3042\u308a\uff09\u306e\u3088\u3046\u306b\u3001<b><code>Car<\/code> \u30af\u30e9\u30b9\u306e\u30b3\u30fc\u30c9\u3092\u76f4\u63a5\u66f8\u304d\u63db\u3048\u308b<\/b>\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p data-path-to-node=\"22\">\u4eca\u306f1\u7b87\u6240\u3067\u3059\u304c\u3001\u3082\u3057100\u500b\u306e\u30af\u30e9\u30b9\u304c <code>Engine<\/code> \u3092\u4f7f\u3063\u3066\u3044\u305f\u3089\u3001100\u7b87\u6240\u3059\u3079\u3066\u3092\u4fee\u6b63\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u305a\u3001\u30d0\u30b0\u306e\u6e29\u5e8a\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p data-path-to-node=\"23\"><b>\u554f\u984c\u70b92\uff1a\u30c6\u30b9\u30c8\u304c\u3057\u306b\u304f\u3044<\/b><\/p>\n<p data-path-to-node=\"24\"><code>Car<\/code> \u30af\u30e9\u30b9\u306e <code>drive<\/code> \u30e1\u30bd\u30c3\u30c9\u3060\u3051\u3092\u30c6\u30b9\u30c8\uff08\u5358\u4f53\u30c6\u30b9\u30c8\uff09\u3057\u305f\u3044\u5834\u5408\u3092\u8003\u3048\u307e\u3059\u3002 \u3057\u304b\u3057\u3001\u3053\u306e\u30b3\u30fc\u30c9\u3067\u306f <code>Car<\/code> \u3092\u52d5\u304b\u3059\u3068\u3001<b>\u5fc5\u305a\u672c\u7269\u306e <code>Engine<\/code> \u3082\u4e00\u7dd2\u306b\u52d5\u3044\u3066\u3057\u307e\u3044\u307e\u3059<\/b>\u3002<\/p>\n<p data-path-to-node=\"25\">\u3082\u3057 <code>Engine<\/code> \u30af\u30e9\u30b9\u304c\u3001\u5185\u90e8\u3067DB\u63a5\u7d9a\u3084\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u901a\u4fe1\u306a\u3069\u3001\u91cd\u3044\u51e6\u7406\u3092\u3057\u3066\u3044\u305f\u3089\u3069\u3046\u3067\u3057\u3087\u3046\uff1f <code>Car<\/code> \u30af\u30e9\u30b9\u306e\u7c21\u5358\u306a\u30c6\u30b9\u30c8\u3092\u3057\u305f\u3044\u3060\u3051\u306a\u306e\u306b\u3001DB\u306e\u6e96\u5099\u307e\u3067\u5fc5\u8981\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u3001\u30c6\u30b9\u30c8\u304c\u975e\u5e38\u306b\u56f0\u96e3\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>2. \u758e\u7d50\u5408\uff08Loose Coupling\uff09\u3068\u306f\uff1f<\/h3>\n<p data-path-to-node=\"28\"><b>\u758e\u7d50\u5408<\/b>\u3068\u306f\u3001\u30af\u30e9\u30b9\u9593\u306e\u4f9d\u5b58\u95a2\u4fc2\u3092\u5f31\u3081\u3001\u304a\u4e92\u3044\u304c\u300c\u5177\u4f53\u7684\u306a\u5b9f\u88c5\uff08\u4e2d\u8eab\uff09\u300d\u3067\u306f\u306a\u304f\u3001\u300c<b>\u5171\u901a\u306e\u30eb\u30fc\u30eb\uff08\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\uff09<\/b>\u300d\u306b\u3060\u3051\u4f9d\u5b58\u3059\u308b\u72b6\u614b\u3092\u6307\u3057\u307e\u3059\u3002<\/p>\n<ul data-path-to-node=\"29\">\n<li>\n<p data-path-to-node=\"29,0,0\"><b>\u6bd4\u55a9:<\/b> \u300c\u30cd\u30b8\u306e\u898f\u683c\uff08\u90e8\u54c1B\u306e\u30eb\u30fc\u30eb\uff09\u3055\u3048\u5408\u3063\u3066\u3044\u308c\u3070\u3001\u3069\u306e\u30e1\u30fc\u30ab\u30fc\u306e\u30cd\u30b8\u3067\u3082\u4f7f\u3048\u308b\u5bb6\u5177\uff08\u90e8\u54c1A\uff09\u300d\u3002<\/p>\n<\/li>\n<\/ul>\n<h4>\u826f\u3044\u30b3\u30fc\u30c9\u4f8b\uff1a\u300e\u8eca\u300f\u306f\u300e\u30a8\u30f3\u30b8\u30f3\u3068\u3044\u3046\u898f\u683c\u300f\u3060\u3051\u3092\u77e5\u308b<\/h4>\n<p data-path-to-node=\"31\">\u758e\u7d50\u5408\u3092\u5b9f\u73fe\u3059\u308b\u6700\u3082\u4e00\u822c\u7684\u306a\u65b9\u6cd5\u306f\u3001\u300c<b>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9<\/b>\u300d\u3092\u4f7f\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true \">\/\/ 1. \u307e\u305a\u300c\u30a8\u30f3\u30b8\u30f3\u306e\u5171\u901a\u30eb\u30fc\u30eb\uff08\u898f\u683c\uff09\u300d\u3092\u6c7a\u3081\u308b (\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9)\npublic interface Engine {\n    void start();\n}\n\n\/\/ 2. \u898f\u683c\u3092\u5b9f\u88c5\u3057\u305f\u5177\u4f53\u7684\u306a\u30a8\u30f3\u30b8\u30f3A\npublic class NormalEngine implements Engine {\n    @Override\n    public void start() {\n        System.out.println(\"\u30ce\u30fc\u30de\u30eb\u30a8\u30f3\u30b8\u30f3\u59cb\u52d5\");\n    }\n}\n\n\/\/ 3. \u898f\u683c\u3092\u5b9f\u88c5\u3057\u305f\u5177\u4f53\u7684\u306a\u30a8\u30f3\u30b8\u30f3B\npublic class SuperEngine implements Engine {\n    @Override\n    public void start() {\n        System.out.println(\"\u30b9\u30fc\u30d1\u30fc\u30a8\u30f3\u30b8\u30f3\u59cb\u52d5\uff01\");\n    }\n}<\/pre>\n<p>\u305d\u3057\u3066\u3001<code>Car<\/code> \u30af\u30e9\u30b9\u3092\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u4fee\u6b63\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true \">\/\/ \u8eca\u30af\u30e9\u30b9\uff08\u3053\u308c\u304c\u758e\u7d50\u5408\u306e\u4f8b\uff09\npublic class Car {\n    \n    \/\/ \u3069\u306e\u30a8\u30f3\u30b8\u30f3\u304c\u6765\u308b\u304b\u5206\u304b\u3089\u306a\u3044\u304c\u3001\u300cEngine\u3068\u3044\u3046\u898f\u683c\u300d\u306e\u90e8\u54c1\u304c\u6765\u308b\n    private final Engine engine;\n\n    \/\/ \u300c\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\uff08\u8a2d\u8a08\u56f3\uff09\u300d\u3067\u3001\u5916\u90e8\u304b\u3089\u5b8c\u6210\u54c1\u306e\u30a8\u30f3\u30b8\u30f3\u3092\u53d7\u3051\u53d6\u308b\n    public Car(Engine engine) {\n        this.engine = engine;\n    }\n\n    public void drive() {\n        engine.start();\n        System.out.println(\"\u767a\u9032\u3057\u307e\u3059\");\n    }\n}<\/pre>\n<h4>\u758e\u7d50\u5408\u306e\u30e1\u30ea\u30c3\u30c8<\/h4>\n<p data-path-to-node=\"36\">\u3053\u306e\u30b3\u30fc\u30c9\u306e<b>\u6700\u5927\u306e\u30dd\u30a4\u30f3\u30c8<\/b>\u306f\u3001<code>Car<\/code> \u30af\u30e9\u30b9\u304c <code>new<\/code> \u3092\u4f7f\u308f\u306a\u304f\u306a\u3063\u305f\u3053\u3068\u3067\u3059\u3002 <code>Car<\/code> \u30af\u30e9\u30b9\u306f\u3001\u3082\u306f\u3084 <code>NormalEngine<\/code> \u306a\u306e\u304b <code>SuperEngine<\/code> \u306a\u306e\u304b\u3092<b>\u77e5\u308a\u307e\u305b\u3093<\/b>\u3002\u300c<code>Engine<\/code> \u3068\u3044\u3046\u898f\u683c\uff08<code>start<\/code> \u30e1\u30bd\u30c3\u30c9\uff09\u3055\u3048\u6e80\u305f\u3057\u3066\u3044\u308c\u3070\u4f55\u3067\u3082OK\u300d\u3068\u3044\u3046\u72b6\u614b\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p data-path-to-node=\"37\"><b>\u30e1\u30ea\u30c3\u30c81\uff1a\u5909\u66f4\u306b\u5f37\u3044\uff08\u67d4\u8edf\u6027\u304c\u9ad8\u3044\uff09<\/b><\/p>\n<p data-path-to-node=\"38\"><code>Car<\/code> \u3092\u4f7f\u3046\u5074\uff08<code>main<\/code> \u30e1\u30bd\u30c3\u30c9\u306a\u3069\uff09\u3067\u3001\u6e21\u3059\u30a8\u30f3\u30b8\u30f3\u3092\u5909\u3048\u308b\u3060\u3051\u3067\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true \">\/\/ A\u30d1\u30bf\u30fc\u30f3: \u30ce\u30fc\u30de\u30eb\u30a8\u30f3\u30b8\u30f3\u3092\u6e21\u3059\nEngine normal = new NormalEngine();\nCar carA = new Car(normal);\ncarA.drive();\n\n\/\/ B\u30d1\u30bf\u30fc\u30f3: \u30b9\u30fc\u30d1\u30fc\u30a8\u30f3\u30b8\u30f3\u3092\u6e21\u3059\nEngine superE = new SuperEngine();\nCar carB = new Car(superE);\ncarB.drive();<\/pre>\n<p data-path-to-node=\"40\"><code>Car<\/code> \u30af\u30e9\u30b9\u306e\u30b3\u30fc\u30c9\u3092<b>1\u884c\u3082\u5909\u66f4\u3059\u308b\u3053\u3068\u306a\u304f<\/b>\u3001\u30a8\u30f3\u30b8\u30f3\u3092\u81ea\u7531\u306b\u5dee\u3057\u66ff\u3048\u3089\u308c\u307e\u3057\u305f\u3002<\/p>\n<p data-path-to-node=\"41\"><b>\u30e1\u30ea\u30c3\u30c82\uff1a\u30c6\u30b9\u30c8\u304c\u3057\u3084\u3059\u3044<\/b><\/p>\n<p data-path-to-node=\"42\">\u3053\u308c\u304c\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002\u30c6\u30b9\u30c8\u306e\u6642\u306f\u3001\u300c\u30c6\u30b9\u30c8\u7528\u306e\u507d\u7269\uff08\u30e2\u30c3\u30af\uff09\u306e\u30a8\u30f3\u30b8\u30f3\u300d\u3092\u6e21\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true \">\/\/ \u30c6\u30b9\u30c8\u30b3\u30fc\u30c9\u306e\u4f8b\n@Test\nvoid carDriveTest() {\n    \/\/ 1. \u30c6\u30b9\u30c8\u7528\u306e\u300c\u507d\u7269\u300d\u306e\u30a8\u30f3\u30b8\u30f3\uff08MockEngine\uff09\u3092\u4f5c\u308b\n    Engine mockEngine = new MockEngine(); \/\/ DB\u63a5\u7d9a\u306a\u3069\u3057\u306a\u3044\u30c0\u30df\u30fc\n\n    \/\/ 2. \u507d\u7269\u3092\u6e21\u3057\u3066Car\u3092\u4f5c\u308b\n    Car testCar = new Car(mockEngine);\n\n    \/\/ 3. \u3053\u308c\u3067DB\u306a\u3069\u306b\u63a5\u7d9a\u305b\u305a\u3001Car\u30af\u30e9\u30b9\u306e\u30ed\u30b8\u30c3\u30af\u3060\u3051\u3092\u5b89\u5168\u306b\u30c6\u30b9\u30c8\u3067\u304d\u308b\n    testCar.drive(); \n}<\/pre>\n<h3>3. \u305d\u3057\u3066\u3001DI\uff08\u4f9d\u5b58\u6027\u306e\u6ce8\u5165\uff09\u3078<\/h3>\n<p data-path-to-node=\"46\">\u304a\u3081\u3067\u3068\u3046\u3054\u3056\u3044\u307e\u3059\uff01 \u3053\u308c\u3067\u3042\u306a\u305f\u3082\u300c\u758e\u7d50\u5408\u300d\u306e\u30e1\u30ea\u30c3\u30c8\u3092\u7406\u89e3\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n<p data-path-to-node=\"47\">\u3057\u304b\u3057\u3001\u3053\u3053\u3067\u65b0\u305f\u306a\u7591\u554f\u304c\u751f\u307e\u308c\u307e\u3059\u3002<\/p>\n<blockquote data-path-to-node=\"48\">\n<p data-path-to-node=\"48,0\"><b>\u300c<code>Car<\/code> \u30af\u30e9\u30b9\u306f <code>new<\/code> \u3057\u306a\u304f\u306a\u3063\u305f\u3051\u3069\u3001\u7d50\u5c40\u3001\u8ab0\u304c <code>new Engine()<\/code> \u3057\u3066\u3001\u8ab0\u304c <code>Car<\/code> \u306b\u6e21\u3057\u3066\uff08\u6ce8\u5165\u3057\u3066\uff09\u304f\u308c\u308b\u306e\uff1f\u300d<\/b><\/p>\n<\/blockquote>\n<p data-path-to-node=\"5\">\u4e0a\u306e\u4f8b\uff08<code>main<\/code> \u30e1\u30bd\u30c3\u30c9\uff09\u3067\u306f\u79c1\u305f\u3061\u304c\u624b\u52d5\u3067 <code>new<\/code> \u3057\u3066 <code>new Car(engine)<\/code> \u3092\u547c\u3073\u307e\u3057\u305f\u3002 \u3057\u304b\u3057\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u5de8\u5927\u306b\u306a\u308a\u30011000\u500b\u3082\u306e\u90e8\u54c1\uff08\u30af\u30e9\u30b9\uff09\u304c\u304a\u4e92\u3044\u3092\u5fc5\u8981\u3068\u3057\u59cb\u3081\u305f\u3089\u3001\u3053\u306e\u8907\u96d1\u306a\u4f9d\u5b58\u95a2\u4fc2\u306e\u300c\u7d44\u307f\u7acb\u3066\u4f5c\u696d\u300d\u3092\u3059\u3079\u3066\u624b\u52d5\u3067\u7ba1\u7406\u3057\u7d9a\u3051\u308b\u306e\u306f\u3001\u5b9f\u88c5\u4e0a\u306f\u53ef\u80fd\u3067\u3042\u3063\u3066\u3082\u4fdd\u5b88\u30fb\u904b\u7528\u4e0a\u3001\u73fe\u5b9f\u7684\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30b3\u30fc\u30c9\u91cf\u304c\u81a8\u5927\u306b\u306a\u308a\u3001\u3069\u3053\u304b\u3067\u9593\u9055\u3044\u304c\u767a\u751f\u3059\u308b\u30ea\u30b9\u30af\u304c\u9ad8\u307e\u308a\u307e\u3059\u3002<\/p>\n<p data-path-to-node=\"50\"><b>\u305d\u3053\u3067\u767b\u5834\u3059\u308b\u306e\u304c\u3001Spring\u306e\u300cDI\u30b3\u30f3\u30c6\u30ca\u300d\u3067\u3059\u3002<\/b><\/p>\n<p data-path-to-node=\"51\"><strong>DI\uff08\u4f9d\u5b58\u6027\u306e\u6ce8\u5165\uff09<\/strong>\u3068\u306f\u3001\u3053\u306e\u300c\u758e\u7d50\u5408\u300d\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306b\u3001 \u300c\u4f9d\u5b58\u95a2\u4fc2\uff08<code>Engine<\/code>\uff09\u300d\u3092\u300c\u5916\u90e8\uff08Spring\u306eDI\u30b3\u30f3\u30c6\u30ca\uff09\u300d\u304c\u81ea\u52d5\u7684\u306b\u300c\u6ce8\u5165\uff08<code>Car<\/code> \u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306b\u6e21\u3059\uff09\u300d\u3057\u3066\u304f\u308c\u308b\u4ed5\u7d44\u307f\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n<p data-path-to-node=\"52\"><code>@Autowired<\/code> \u3068\u3044\u3046\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u307e\u3055\u306b\u300cSpring\u3055\u3093\u3001\u3053\u3053\u306b\u9069\u5207\u306a\u90e8\u54c1\uff08Bean\uff09\u3092\u6ce8\u5165\u3057\u3066\u304f\u3060\u3055\u3044\uff01\u300d\u3068\u304a\u9858\u3044\u3059\u308b\u76ee\u5370\u3060\u3063\u305f\u306e\u3067\u3059\u3002<\/p>\n<p data-path-to-node=\"53\">\u3067\u306f\u3001\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u304b\u3089\u3001Spring\u304c\u3069\u306e\u3088\u3046\u306b\u3053\u306e\u300c\u7d44\u307f\u7acb\u3066\u4f5c\u696d\u300d\u3092\u81ea\u52d5\u3067\u884c\u3063\u3066\u3044\u308b\u306e\u304b\u3001\u305d\u306e\u300c\u9b54\u6cd5\u300d\u306e\u6b63\u4f53\u3092\u8a73\u3057\u304f\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>4.Spring\u306e\u300cDI\u30b3\u30f3\u30c6\u30ca\u300d\u3068\u3044\u3046\u5de8\u5927\u5de5\u5834<\/h3>\n<p data-path-to-node=\"3\">\u758e\u7d50\u5408\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306b\u3001\u300c\u8eca\uff08<code>Car<\/code>\uff09\u306f\u81ea\u5206\u3067\u30a8\u30f3\u30b8\u30f3\u3092 <code>new<\/code> \u3057\u306a\u3044\u300d\u3068\u3053\u308d\u307e\u3067\u306f\u7406\u89e3\u3067\u304d\u307e\u3057\u305f\u3002\u3067\u306f\u3001\u8ab0\u304c\u30a8\u30f3\u30b8\u30f3\uff08\u4f9d\u5b58\u7269\uff09\u3092\u4f5c\u3063\u3066\u3001\u8ab0\u304c <code>Car<\/code> \u306b\u6e21\u3059\uff08\u6ce8\u5165\u3059\u308b\uff09\u4f5c\u696d\u3092\u62c5\u5f53\u3059\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<p data-path-to-node=\"4\">\u3053\u306e\u300c\u7d44\u307f\u7acb\u3066\u4f5c\u696d\u300d\u3092\u3059\u3079\u3066\u5f15\u304d\u53d7\u3051\u3066\u304f\u308c\u308b\u306e\u304c\u3001Spring\u306e\u6838\u3068\u306a\u308b\u300c<b>DI\u30b3\u30f3\u30c6\u30ca<\/b>\uff08\u307e\u305f\u306f IoC\u30b3\u30f3\u30c6\u30ca\uff09\u300d\u3067\u3059\u3002<\/p>\n<h4>DI\u30b3\u30f3\u30c6\u30ca\u306e\u5f79\u5272<\/h4>\n<p data-path-to-node=\"6\">DI\u30b3\u30f3\u30c6\u30ca\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u5229\u7528\u3059\u308b\u3059\u3079\u3066\u306e\u90e8\u54c1\uff08\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\uff09\u3092\u7ba1\u7406\u3059\u308b\u3001\u5de8\u5927\u306a\u90e8\u54c1\u7ba1\u7406\u5eab\u3067\u3042\u308a\u3001\u7d44\u307f\u7acb\u3066\u5de5\u5834\u3067\u3059\u3002<\/p>\n<ol start=\"1\" data-path-to-node=\"7\">\n<li>\n<p data-path-to-node=\"7,0,0\"><b>\u90e8\u54c1\uff08Bean\uff09\u306e\u751f\u6210:<\/b> \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u5fc5\u8981\u3068\u306a\u308b\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\uff08\u90e8\u54c1\uff09\u3092\u3042\u3089\u304b\u3058\u3081\u4f5c\u3063\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"7,1,0\"><b>\u90e8\u54c1\u306e\u7ba1\u7406\u3068\u6ce8\u5165:<\/b> \u90e8\u54c1\u3092\u30b3\u30f3\u30c6\u30ca\u5185\u3067\u7ba1\u7406\u3057\u3001\u8ab0\u304b\u304c\u300c\u3053\u306e\u90e8\u54c1\uff08\u4f9d\u5b58\u7269\uff09\u304c\u6b32\u3057\u3044\u300d\u3068\u8a00\u3063\u305f\u3089\u3001\u9069\u5207\u306a\u90e8\u54c1\u3092\u63a2\u3057\u51fa\u3057\u3066\u81ea\u52d5\u7684\u306b\u6e21\u3057\u3066\uff08\u6ce8\u5165\u3057\u3066\uff09\u3042\u3052\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<blockquote data-path-to-node=\"8\">\n<p data-path-to-node=\"8,0\"><b>Bean (\u30d3\u30fc\u30f3) \u3068\u306f\uff1f<\/b><\/p>\n<p data-path-to-node=\"8,1\">\u975e\u5e38\u306b\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u3002\u300c<b>Spring\u306eDI\u30b3\u30f3\u30c6\u30ca\u306b\u3088\u3063\u3066\u7ba1\u7406\u3055\u308c\u3066\u3044\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\uff08\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\uff09<\/b>\u300d\u306e\u3053\u3068\u3092\u6307\u3057\u307e\u3059\u3002<\/p>\n<\/blockquote>\n<h3>5.<code>@Autowired<\/code> \u3060\u3051\u3067\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u4f7f\u3048\u308b\u4ed5\u7d44\u307f<\/h3>\n<p data-path-to-node=\"11\">\u79c1\u305f\u3061\u304cSpring Boot\u3067\u66f8\u304f\u30b3\u30fc\u30c9\u306f\u3001\u3053\u306eDI\u30b3\u30f3\u30c6\u30ca\u3068\u3044\u3046\u300c\u5de5\u5834\u300d\u306b\u5411\u3051\u305f\u300c\u6307\u793a\u66f8\u300d\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u3059\u3002\u6700\u3082\u4e3b\u8981\u306a\u6307\u793a\u66f8\u306e\u4e00\u3064\u304c\u3001<b><code>@Autowired<\/code><\/b> \u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3067\u3059\u3002<\/p>\n<p data-path-to-node=\"12\"><code>@Autowired<\/code> \u306f\u3001\u300cSpring\u3055\u3093\u3001<b>\u3053\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\uff08\u307e\u305f\u306f\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\uff09\u306b\u3001\u9069\u5207\u306aBean\u3092\u6ce8\u5165\u3057\u3066\u304f\u3060\u3055\u3044<\/b>\u300d\u3068\u304a\u9858\u3044\u3059\u308b\u76ee\u5370\u3067\u3059\u3002<\/p>\n<p data-path-to-node=\"4\">\u3053\u306e\u300c\u9b54\u6cd5\u300d\u304c\u3069\u306e\u3088\u3046\u306b\u52d5\u304f\u306e\u304b\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306b\u3001\u307e\u305a\u306f\u30b3\u30fc\u30c9\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<h4>\u5177\u4f53\u7684\u306a\u30b3\u30fc\u30c9\u4f8b\uff1aUserService\u3068UserRepository<\/h4>\n<p data-path-to-node=\"6\">\u4ee5\u4e0b\u306f\u3001<code>UserService<\/code> \u304c <code>UserRepository<\/code> \u306e\u6a5f\u80fd\u3092\u4f7f\u3046\u3001\u3088\u304f\u3042\u308b\u4f9d\u5b58\u95a2\u4fc2\u306e\u4f8b\u3067\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true \">\/\/ 1. DB\u30a2\u30af\u30bb\u30b9\u62c5\u5f53\uff1a\u30ea\u30dd\u30b8\u30c8\u30ea\u5c64\n@Repository \/\/ Spring\u306b\u300c\u3053\u306e\u30af\u30e9\u30b9\u306fBean\u3068\u3057\u3066\u7ba1\u7406\u3057\u3066\u306d\u300d\u3068\u4f1d\u3048\u308b\npublic class UserRepository {\n    public String findUserById(String id) {\n        \/\/ \u5b9f\u969b\u306b\u306fDB\u304b\u3089\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u51e6\u7406\n        return \"User Name (ID: \" + id + \")\";\n    }\n}<\/pre>\n<pre class=\"lang:default decode:true \">\/\/ 2. \u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u62c5\u5f53\uff1a\u30b5\u30fc\u30d3\u30b9\u5c64\n@Service \/\/ Spring\u306b\u300c\u3053\u306e\u30af\u30e9\u30b9\u3082Bean\u3068\u3057\u3066\u7ba1\u7406\u3057\u3066\u306d\u300d\u3068\u4f1d\u3048\u308b\npublic class UserService {\n\n    \/\/ \u3010\u4f9d\u5b58\u7269\u3011UserRepository\u306eBean\u304c\u5fc5\u8981\n    private final UserRepository userRepository;\n\n    \/\/ \u3010DI\u3011\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3067UserRepository\u3092\u81ea\u52d5\u7684\u306b\u53d7\u3051\u53d6\u308b\n    \/\/ \u203b@Autowired \u306f\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u304c\u4e00\u3064\u306a\u3089\u7701\u7565\u3055\u308c\u307e\u3059\uff08\u63a8\u5968\u3055\u308c\u308b\u65b9\u6cd5\uff09\n    public UserService(UserRepository userRepository) { \n        this.userRepository = userRepository;\n    }\n\n    public String getUserInfo(String id) {\n        \/\/ \u81ea\u5206\u3067new\u3057\u3066\u3044\u306a\u3044userRepository\u304c\u4f7f\u3048\u308b\uff01\n        return \"Fetched: \" + userRepository.findUserById(id);\n    }\n}<\/pre>\n<p data-path-to-node=\"9\">\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u3001\u79c1\u305f\u3061\u304c <code><strong>UserService<\/strong><\/code> \u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092<b>\u624b\u52d5\u3067 <code>new<\/code> \u3057\u305f\u308a\u3001<code>UserRepository<\/code> \u3092\u30bb\u30c3\u30c8\u3057\u305f\u308a\u3059\u308b<\/b>\u4f5c\u696d\u306f\u4e00\u5207\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p data-path-to-node=\"10\">\u3053\u306e\u3068\u304d\u3001\u88cf\u5074\u3067 Spring \u304c\u5b9f\u884c\u3057\u3066\u3044\u308b\u300c\u9b54\u6cd5\u300d\u306e\u6b63\u4f53\u304c\u3001\u4ee5\u4e0b\u306e<b>4\u3064\u306e\u30b9\u30c6\u30c3\u30d7<\/b>\u3067\u3059\u3002<\/p>\n<h4>\u30b9\u30c6\u30c3\u30d71\uff1a\u30b9\u30ad\u30e3\u30f3\uff08\u90e8\u54c1\u63a2\u3057\uff09<\/h4>\n<p data-path-to-node=\"16\">Spring Boot\u304c\u8d77\u52d5\u3059\u308b\u3068\u3001\u307e\u305a\u300c<b>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u30b9\u30ad\u30e3\u30f3<\/b>\u300d\u304c\u59cb\u307e\u308a\u307e\u3059\u3002Spring\u306f\u3001\u30d1\u30c3\u30b1\u30fc\u30b8\u5185\u306b\u3042\u308b\u7279\u5b9a\u306e\u30de\u30fc\u30af\uff08\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\uff09\u304c\u4ed8\u3044\u305f\u30af\u30e9\u30b9\u3092\u7247\u3063\u7aef\u304b\u3089\u63a2\u3057\u51fa\u3057\u307e\u3059\u3002<\/p>\n<ul data-path-to-node=\"17\">\n<li>\n<p data-path-to-node=\"17,0,0\"><b>\u5bfe\u8c61\u3068\u306a\u308b\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3:<\/b> <code><strong>@Component<\/strong><\/code> \u3084\u3001\u305d\u306e\u4ef2\u9593\u3067\u3042\u308b <b><code>@Service<\/code><\/b>, <b><code>@Repository<\/code><\/b>, <b><code>@Controller<\/code><\/b>, <b><code>@Configuration<\/code><\/b> \u306a\u3069\u3067\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<h4>\u30b9\u30c6\u30c3\u30d72\uff1aBean\u306e\u751f\u6210\u3068\u767b\u9332\uff08\u90e8\u54c1\u68da\u3078\uff09<\/h4>\n<p data-path-to-node=\"19\">Spring\u306f\u898b\u3064\u3051\u305f\u30af\u30e9\u30b9\u3092\u5143\u306b\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\uff08<b>Bean<\/b>\uff09\u3092\u751f\u6210\u3057\u3001DI\u30b3\u30f3\u30c6\u30ca\u3068\u3044\u3046\u300c\u90e8\u54c1\u68da\u300d\u306b\u767b\u9332\u3057\u307e\u3059\u3002<\/p>\n<ul data-path-to-node=\"20\">\n<li>\n<p data-path-to-node=\"20,0,0\">\u4f8b: <code>@Repository<\/code> \u304c\u4ed8\u3044\u305f <code>UserRepository<\/code> \u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u4f5c\u3089\u308c\u3001\u30b3\u30f3\u30c6\u30ca\u306b\u4fdd\u7ba1\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<h4>\u30b9\u30c6\u30c3\u30d73\uff1a\u4f9d\u5b58\u95a2\u4fc2\u306e\u5206\u6790\uff08\u7d44\u307f\u7acb\u3066\u56f3\u306e\u78ba\u8a8d\uff09<\/h4>\n<p data-path-to-node=\"22\">\u6b21\u306b\u3001Spring\u306f\u30b9\u30c6\u30c3\u30d72\u3067\u751f\u6210\u3057\u305f\u3059\u3079\u3066\u306eBean\u306b\u3064\u3044\u3066\u3001\u300c\u4ed6\u306e\u90e8\u54c1\uff08\u4f9d\u5b58\u7269\uff09\u3092\u5fc5\u8981\u3068\u3057\u3066\u3044\u306a\u3044\u304b\uff1f\u300d\u3092\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n<p data-path-to-node=\"23\"><code>@Service<\/code> \u304c\u4ed8\u3044\u305f <code>UserService<\/code> \u306eBean\u3092\u4f5c\u308d\u3046\u3068\u3057\u305f\u3068\u304d\u3001Spring\u306f <code>UserService<\/code> \u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3084\u30d5\u30a3\u30fc\u30eb\u30c9\u306b <b><code>@Autowired<\/code><\/b> \u304c\u4ed8\u3044\u3066\u3044\u308b\u306e\u3092\u898b\u3064\u3051\u307e\u3059\u3002<\/p>\n<ul data-path-to-node=\"24\">\n<li>\n<p data-path-to-node=\"24,0,0\">\u4f8b: \u300c<code>UserService<\/code> \u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306b\u306f <code>UserRepository<\/code> \u304c\u5fc5\u8981\u3060\u3068\u66f8\u3044\u3066\u3042\u308b\u306a\u300d\u3068\u8a8d\u8b58\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<h4>\u30b9\u30c6\u30c3\u30d74\uff1a\u6ce8\u5165\uff08\u90e8\u54c1\u306e\u7d44\u307f\u7acb\u3066\u3068\u5b8c\u6210\uff09<\/h4>\n<p data-path-to-node=\"26\">Spring\u306f\u3001\u30b9\u30c6\u30c3\u30d73\u3067\u5fc5\u8981\u3060\u3068\u5224\u65ad\u3055\u308c\u305f\u90e8\u54c1\uff08\u4f8b: <code>UserRepository<\/code> \u306eBean\uff09\u3092\u3001\u30b3\u30f3\u30c6\u30ca\u5185\u306e\u90e8\u54c1\u68da\u304b\u3089\u63a2\u3057\u51fa\u3057\u307e\u3059\u3002<\/p>\n<p data-path-to-node=\"27\">\u305d\u3057\u3066\u3001\u305d\u306e\u898b\u3064\u3051\u51fa\u3057\u305fBean\u3092\u3001\u81ea\u52d5\u7684\u306b <code>UserService<\/code> \u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u5f15\u6570\u306b\u6e21\u3057\u3066\u3042\u3052\u307e\u3059\uff08\uff1d<b>\u6ce8\u5165<\/b>\uff09\u3002<\/p>\n<p data-path-to-node=\"27\">\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u7d4c\u308b\u3053\u3068\u3067\u3001\u79c1\u305f\u3061\u304c <code>UserService<\/code> \u3092\u5229\u7528\u3059\u308b\u6642\u306b\u306f\u3001\u3059\u3067\u306b <code>UserRepository<\/code> \u304c\u30bb\u30c3\u30c8\u3055\u308c\u305f\u300c\u5b8c\u6210\u54c1\u300d\u306e\u72b6\u614b\u3067\u624b\u5143\u306b\u6e21\u3055\u308c\u308b\u306e\u3067\u3059\u3002<\/p>\n<h3>6.DI\u3092\u4f7f\u3046\u3053\u3068\u3067\u5f97\u3089\u308c\u308b\u5f37\u529b\u306a\u30e1\u30ea\u30c3\u30c8<\/h3>\n<p>Spring\u306eDI\u30b3\u30f3\u30c6\u30ca\u306e\u6069\u6075\u306f\u3001\u30b3\u30fc\u30c9\u304c\u77ed\u304f\u306a\u308b\u3053\u3068\u3060\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u300c\u5bc6\u7d50\u5408\u300d\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3057\u3001\u300c\u758e\u7d50\u5408\u300d\u3092\u9054\u6210\u3059\u308b\u3053\u3068\u3067\u3001\u4ee5\u4e0b\u306e\u6c7a\u5b9a\u7684\u306a\u30e1\u30ea\u30c3\u30c8\u304c\u751f\u307e\u308c\u307e\u3059\u3002<\/p>\n<table data-path-to-node=\"64\">\n<thead>\n<tr>\n<td><strong>\u30e1\u30ea\u30c3\u30c8<\/strong><\/td>\n<td><strong>\u306a\u305cDI\uff08\u758e\u7d50\u5408\uff09\u3067\u5b9f\u73fe\u3067\u304d\u308b\u306e\u304b\uff1f<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td data-path-to-node=\"64,1,0,0\"><b>\u30c6\u30b9\u30c8\u5bb9\u6613\u6027<\/b><\/td>\n<td data-path-to-node=\"64,1,1,0\">\u30c6\u30b9\u30c8\u306e\u969b\u306b\u3001\u672c\u7269\u306e\u4f9d\u5b58\u7269\uff08DB\u30a2\u30af\u30bb\u30b9\u306a\u3069\uff09\u3067\u306f\u306a\u304f\u3001\u30c6\u30b9\u30c8\u5c02\u7528\u306e\u300c\u507d\u7269\uff08Mock\uff09\u300d\u3092DI\u30b3\u30f3\u30c6\u30ca\u7d4c\u7531\u3067\u7c21\u5358\u306b\u6ce8\u5165\u3067\u304d\u308b\u305f\u3081\u3001\u5358\u4f53\u30c6\u30b9\u30c8\u304c\u975e\u5e38\u306b\u8fc5\u901f\u304b\u3064\u5bb9\u6613\u306b\u884c\u3048\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td data-path-to-node=\"64,2,0,0\"><strong>\u9ad8\u3044\u62e1\u5f35\u6027<\/strong><\/td>\n<td data-path-to-node=\"64,2,1,0\">\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u4f9d\u5b58\u3059\u308b\u8a2d\u8a08\u306b\u306a\u308b\u305f\u3081\u3001\u4e3b\u8981\u306a\u30ed\u30b8\u30c3\u30af\uff08<code>Car<\/code>\uff09\u306e\u30b3\u30fc\u30c9\u3092\u4e00\u5207\u5909\u66f4\u305b\u305a\u3001\u65b0\u3057\u3044\u4f9d\u5b58\u7269\uff08<code>SuperEngine<\/code>\uff09\u3092\u8ffd\u52a0\u3059\u308b\u3060\u3051\u3067\u6a5f\u80fd\u62e1\u5f35\u304c\u53ef\u80fd\u3067\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td data-path-to-node=\"64,3,0,0\"><b>\u4e0d\u5909\u6027\u306e\u78ba\u4fdd<\/b><\/td>\n<td data-path-to-node=\"64,3,1,0\">\u7279\u306b\u300c\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u300d\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u4f9d\u5b58\u95a2\u4fc2\u3092 <code>final<\/code> \u30d5\u30a3\u30fc\u30eb\u30c9\u3068\u3057\u3066\u5b9a\u7fa9\u3067\u304d\u308b\u305f\u3081\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u751f\u6210\u3055\u308c\u305f\u5f8c\u3067\u610f\u56f3\u305b\u305a\u4e2d\u8eab\u304c\u66f8\u304d\u63db\u308f\u308b\u3053\u3068\u3092\u9632\u3052\u307e\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>7. \u307e\u3068\u3081<\/h3>\n<ul>\n<li>\n<p data-path-to-node=\"41,0,0\"><b>\u5bc6\u7d50\u5408<\/b>\u306f\u3001\u5909\u66f4\u306b\u5f31\u304f\u30c6\u30b9\u30c8\u3057\u306b\u304f\u3044\u30b3\u30fc\u30c9\u3092\u751f\u307f\u51fa\u3059\u3002<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"41,1,0\"><strong>DI\uff08\u4f9d\u5b58\u6027\u306e\u6ce8\u5165\uff09<\/strong>\u306f\u3001\u3053\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3057\u3001\u300c<b>\u758e\u7d50\u5408<\/b>\u300d\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306e\u8a2d\u8a08\u624b\u6cd5\u3002<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"41,2,0\">Spring\u306e <b>DI\u30b3\u30f3\u30c6\u30ca<\/b> \u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u8d77\u52d5\u6642\u306b <code>@Service<\/code> \u306a\u3069\u304c\u4ed8\u3044\u305f\u30af\u30e9\u30b9\u3092\u30b9\u30ad\u30e3\u30f3\u3057\u3066\u300c<b>Bean<\/b>\u300d\u3068\u3057\u3066\u7ba1\u7406\u3059\u308b\u3002<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"41,3,0\"><b><code>@Autowired<\/code><\/b> \u306f\u3001\u30b3\u30f3\u30c6\u30ca\u306b\u5bfe\u3057\u3066\u300c\u3053\u3053\u306b\u9069\u5207\u306aBean\u3092\u6ce8\u5165\u305b\u3088\u300d\u3068\u6307\u793a\u3059\u308b\u76ee\u5370\u3067\u3042\u308b\u3002<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"41,4,0\">\u3053\u306e\u4ed5\u7d44\u307f\u306e\u304a\u304b\u3052\u3067\u3001\u79c1\u305f\u3061\u306f\u300c\u90e8\u54c1\u306e\u7d44\u307f\u7acb\u3066\u300d\u3092Spring\u306b\u4efb\u305b\u3001\u672c\u6765\u306e\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u306b\u96c6\u4e2d\u3067\u304d\u308b\u3002<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"34\" data-end=\"138\">&nbsp;<\/p>\n<p data-start=\"34\" data-end=\"138\">\u30a8\u30b3\u30e2\u30c3\u30c8\u3067\u306f\u3001Spring Boot\u3092\u306f\u3058\u3081\u3068\u3059\u308b\u6700\u65b0\u6280\u8853\u3092\u99c6\u4f7f\u3057\u3066\u3001<\/p>\n<p data-start=\"34\" data-end=\"138\">IoT\u306b\u95a2\u9023\u3059\u308b\u591a\u5f69\u306a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u53d6\u308a\u7d44\u3093\u3067\u3044\u307e\u3059\u3002<\/p>\n<p data-start=\"34\" data-end=\"138\">\u79c1\u305f\u3061\u3068\u4e00\u7dd2\u306b\u3001\u9769\u65b0\u7684\u306a\u30e2\u30ce\u3065\u304f\u308a\u306b\u6311\u6226\u3057\u3001\u672a\u6765\u3092\u5275\u308b\u4ef2\u9593\u3092\u52df\u96c6\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<div style=\"margin-bottom: 32px; text-align: center;\"><a style=\"border: solid 1px #1ABB9A; padding: 16px 72px;\" href=\"https:\/\/www.ecomott.co.jp\/recruit\/?__hstc=42779642.76f9c1b6731348a1b4133ac7d2d6aa41.1714096199012.1722386207987.1722406485127.12&amp;__hssc=42779642.37.1722406485127&amp;__hsfp=1113258742\" target=\"_blank\" rel=\"noopener\">\u52df\u96c6\u8981\u9805<\/a><\/div>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SJC\u5171\u540c\u958b\u767a\u63a8\u9032\u5ba4\u306e\u8d99\uff08\u3061\u3087\u3046\uff09\u3067\u3059\u3002 Spring Boot\u3092\u4f7f\u3044\u59cb\u3081\u305f\u969b\u3001@Autowired\u3068\u66f8\u304f\u3060\u3051\u3067\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u81ea\u52d5\u3067\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u308b\u3053\u3068\u306b\u3001\u6238\u60d1\u3044\u3068\u540c\u6642\u306b\u300c\u9b54\u6cd5\u307f\u305f\u3044\u3060\u300d\u3068\u611f\u3058\u305f\u65b9\u3082\u591a\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046 [&hellip;]<\/p>\n","protected":false},"author":106,"featured_media":16058,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[384,368,369],"_links":{"self":[{"href":"https:\/\/www.ecomottblog.com\/index.php?rest_route=\/wp\/v2\/posts\/20536"}],"collection":[{"href":"https:\/\/www.ecomottblog.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ecomottblog.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ecomottblog.com\/index.php?rest_route=\/wp\/v2\/users\/106"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ecomottblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=20536"}],"version-history":[{"count":19,"href":"https:\/\/www.ecomottblog.com\/index.php?rest_route=\/wp\/v2\/posts\/20536\/revisions"}],"predecessor-version":[{"id":20572,"href":"https:\/\/www.ecomottblog.com\/index.php?rest_route=\/wp\/v2\/posts\/20536\/revisions\/20572"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ecomottblog.com\/index.php?rest_route=\/wp\/v2\/media\/16058"}],"wp:attachment":[{"href":"https:\/\/www.ecomottblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=20536"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ecomottblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=20536"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ecomottblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=20536"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}