{"id":125687,"date":"2024-03-24T19:47:43","date_gmt":"2024-03-24T10:47:43","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/c%e3%81%aenew%e3%81%a8delete%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/"},"modified":"2024-03-28T08:49:55","modified_gmt":"2024-03-27T23:49:55","slug":"c%e3%81%aenew%e3%81%a8delete%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/c%e3%81%aenew%e3%81%a8delete%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/","title":{"rendered":"C++\u306enew\u3068delete\u306e\u4f7f\u7528\u65b9\u6cd5"},"content":{"rendered":"

C++\u306b\u304a\u3044\u3066\u3001new\u3068delete\u304c\u30e1\u30e2\u30ea\u3092\u52d5\u7684\u306b\u78ba\u4fdd\u30fb\u958b\u653e\u3059\u308b\u6f14\u7b97\u5b50\u3002<\/p>\n

    \n
  1. new \u6f14\u7b97\u5b50\u3092\u7528\u3044\u3066\u52d5\u7684\u306b\u30e1\u30e2\u30ea\u3092\u78ba\u4fdd\u3059\u308b<\/li>\n<\/ol>\n
    int* p = new int; \/\/ \u5206\u914d\u4e00\u4e2aint\u7c7b\u578b\u7684\u5185\u5b58\u7a7a\u95f4\uff0c\u5e76\u5c06\u5176\u5730\u5740\u8d4b\u7ed9\u6307\u9488p\r\n<\/code><\/pre>\n
    \u3053\u306e\u4f8b\u3067\u306f\u3001new\u6f14\u7b97\u5b50\u306f\u30d2\u30fc\u30d7\u4e0a\u306bint\u578b\u306e\u5927\u304d\u3055\u306e\u30e1\u30e2\u30ea\u9818\u57df\u3092\u78ba\u4fdd\u3057\u3001\u305d\u306e\u30e1\u30e2\u30ea\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u8fd4\u3057\u307e\u3059\u3002\u305d\u3057\u3066\u3001\u305d\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u30dd\u30a4\u30f3\u30bfp\u306b\u4ee3\u5165\u3059\u308b\u3053\u3068\u3067\u3001\u305d\u306e\u30e1\u30e2\u30ea\u9818\u57df\u3092\u6307\u3057\u793a\u3059\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n
    \u52d5\u7684\u914d\u5217\u3092\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u4f7f\u7528\u3059\u308b\u5834\u5408\u3001\u4ee5\u4e0b\u306e\u69cb\u6587\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n
    int* arr = new int[10]; \/\/ \u5206\u914d\u4e00\u4e2a\u5305\u542b10\u4e2aint\u5143\u7d20\u7684\u6570\u7ec4\r\n<\/code><\/pre>\n
      \n
    1. delete\u3092\u7528\u3044\u3066\u30e1\u30e2\u30ea\u3092\u89e3\u653e\u3059\u308b\uff1a<\/li>\n<\/ol>\n
      delete p; \/\/ \u91ca\u653e\u6307\u9488p\u6240\u6307\u5411\u7684\u5185\u5b58\u7a7a\u95f4\r\n<\/code><\/pre>\n
      \u3053\u306e\u4f8b\u3067\u306f\u3001`delete` \u6f14\u7b97\u5b50\u306f `p` \u304c\u6307\u3059\u30e1\u30e2\u30ea\u9818\u57df\u3092\u89e3\u653e\u3057\u3001\u305d\u306e\u30e1\u30e2\u30ea\u3092\u518d\u5229\u7528\u3057\u307e\u3059\u3002<\/p>\n
      \u52d5\u7684\u914d\u5217\u3092\u89e3\u653e\u3059\u308b\u969b\u306f\u3001delete[]\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b<\/p>\n
      delete[] arr; \/\/ \u91ca\u653e\u52a8\u6001\u5206\u914d\u7684\u6570\u7ec4arr\u6240\u5360\u7528\u7684\u5185\u5b58\u7a7a\u95f4\r\n<\/code><\/pre>\n
      new\u6f14\u7b97\u5b50\u3067\u78ba\u4fdd\u3057\u305f\u9818\u57df\u306fdelete\u6f14\u7b97\u5b50\u3067\u5fc5\u305a\u89e3\u653e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3055\u3082\u306a\u3051\u308c\u3070\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u307e\u305f\u3001delete\u6f14\u7b97\u5b50\u306fnew\u6f14\u7b97\u5b50\u3067\u78ba\u4fdd\u3057\u305f\u30e1\u30e2\u30ea\u9818\u57df\u306e\u307f\u306b\u4f7f\u7528\u3067\u304d\u3001\u9759\u7684\u306b\u78ba\u4fdd\u3057\u305f\u9818\u57df\u3084\u30b9\u30bf\u30c3\u30af\u4e0a\u306e\u9818\u57df\u306b\u306f\u4f7f\u7528\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
      C++\u306b\u304a\u3044\u3066\u3001new\u3068delete\u304c\u30e1\u30e2\u30ea\u3092\u52d5\u7684\u306b\u78ba\u4fdd\u30fb\u958b\u653e\u3059\u308b\u6f14\u7b97\u5b50\u3002 new \u6f14\u7b97\u5b50\u3092\u7528\u3044\u3066\u52d5\u7684\u306b\u30e1\u30e2\u30ea\u3092\u78ba\u4fdd\u3059\u308b int* p = new int; \/\/ \u5206\u914d\u4e00\u4e2aint\u7c7b\u578b\u7684\u5185\u5b58\u7a7a\u95f4\uff0c\u5e76\u5c06\u5176\u5730\u5740\u8d4b\u7ed9\u6307\u9488p \u3053\u306e […]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-125687","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nC++\u306enew\u3068delete\u306e\u4f7f\u7528\u65b9\u6cd5 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/c\u306enew\u3068delete\u306e\u4f7f\u7528\u65b9\u6cd5\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C++\u306enew\u3068delete\u306e\u4f7f\u7528\u65b9\u6cd5\" \/>\n<meta property=\"og:description\" content=\"C++\u306b\u304a\u3044\u3066\u3001new\u3068delete\u304c\u30e1\u30e2\u30ea\u3092\u52d5\u7684\u306b\u78ba\u4fdd\u30fb\u958b\u653e\u3059\u308b\u6f14\u7b97\u5b50\u3002 new \u6f14\u7b97\u5b50\u3092\u7528\u3044\u3066\u52d5\u7684\u306b\u30e1\u30e2\u30ea\u3092\u78ba\u4fdd\u3059\u308b int* p = new int; 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