{"id":5653,"date":"2024-03-14T15:59:14","date_gmt":"2024-03-14T06:59:14","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%ae%e9%85%8d%e5%88%97%e3%81%ae%e3%82%a4%e3%83%b3%e3%83%87%e3%83%83%e3%82%af%e3%82%b9%e5%8f%96%e5%be%97%e6%96%b9%e6%b3%95%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%ef%bc%9f\/"},"modified":"2025-08-03T04:46:32","modified_gmt":"2025-08-02T19:46:32","slug":"java%e3%81%ae%e9%85%8d%e5%88%97%e3%81%ae%e3%82%a4%e3%83%b3%e3%83%87%e3%83%83%e3%82%af%e3%82%b9%e5%8f%96%e5%be%97%e6%96%b9%e6%b3%95%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%ae%e9%85%8d%e5%88%97%e3%81%ae%e3%82%a4%e3%83%b3%e3%83%87%e3%83%83%e3%82%af%e3%82%b9%e5%8f%96%e5%be%97%e6%96%b9%e6%b3%95%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%ef%bc%9f\/","title":{"rendered":"Java \u914d\u5217\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u53d6\u5f97\u65b9\u6cd5\u3092\u5fb9\u5e95\u89e3\u8aac\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u4ed8\u304d\u3011"},"content":{"rendered":"<p>Java\u3067\u306f\u3001\u914d\u5217\u306e\u8981\u7d20\u3092\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f7f\u3063\u3066\u53d6\u5f97\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u89d2\u30ab\u30c3\u30b3[]\u3068\u5bfe\u5fdc\u3059\u308b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f7f\u7528\u3057\u3066\u914d\u5217\u306e\u8981\u7d20\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002\u914d\u5217\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f0\u304b\u3089\u59cb\u307e\u308a\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u6700\u521d\u306e\u8981\u7d20\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f0\u3067\u3042\u308a\u30012\u756a\u76ee\u306e\u8981\u7d20\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f1\u3067\u3001\u305d\u308c\u4ee5\u964d\u3082\u7d9a\u304d\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306f\u914d\u5217\u8981\u7d20\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\u306e\u4f8b\u3067\u3059\uff1a<\/p>\n<pre class=\"post-pre\"><code class=\"lang-java\">int[] array = {10, 20, 30, 40, 50};\r\nint element = array[2]; \/\/ \u83b7\u53d6\u7d22\u5f15\u4e3a 2 \u7684\u5143\u7d20\uff0c\u5373\u7b2c\u4e09\u4e2a\u5143\u7d20\uff08\u503c\u4e3a 30\uff09\r\nSystem.out.println(element); \/\/ \u8f93\u51fa\u7ed3\u679c\u4e3a 30\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001\u6574\u6570\u578b\u306e\u914d\u5217array\u3092\u5b9a\u7fa9\u3057\u3001array[2]\u3092\u4f7f\u3063\u3066\u30a4\u30f3\u30c7\u30c3\u30af\u30b92\u306e\u8981\u7d20\u3092\u53d6\u5f97\u3057\u3001\u5909\u6570element\u306b\u5272\u308a\u5f53\u3066\u3001\u6700\u5f8c\u306b\u305d\u306e\u8981\u7d20\u306e\u5024\u3092\u51fa\u529b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u8981\u8bb0\u4f4f\uff0c\u5728\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u65f6\u8981\u786e\u4fdd\u4f7f\u7528\u7684\u7d22\u5f15\u503c\u5728\u6709\u6548\u8303\u56f4\u5185\uff0c\u4ee5\u907f\u514d\u51fa\u73b0 ArrayIndexOutOfBoundsException \u5f02\u5e38\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java\u3067\u306f\u3001\u914d\u5217\u306e\u8981\u7d20\u3092\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f7f\u3063\u3066\u53d6\u5f97\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u89d2\u30ab\u30c3\u30b3[]\u3068\u5bfe\u5fdc\u3059\u308b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f7f\u7528\u3057\u3066\u914d\u5217\u306e\u8981\u7d20\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002\u914d\u5217\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f0\u304b\u3089\u59cb\u307e\u308a\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u6700\u521d\u306e\u8981\u7d20\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f0\u3067\u3042\u308a\u3001 [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[42,1105,26,128],"class_list":["post-5653","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-java","tag-1105","tag-26","tag-128"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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