{"id":38611,"date":"2024-11-26T09:00:03","date_gmt":"2024-11-26T01:00:03","guid":{"rendered":"https:\/\/fwq.ai\/blog\/38611\/"},"modified":"2024-11-26T09:00:03","modified_gmt":"2024-11-26T01:00:03","slug":"java%e6%80%8e%e4%b9%88new%e5%af%b9%e8%b1%a1%e6%95%b0%e7%bb%84%e5%88%9d%e5%a7%8b%e5%8c%96","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/38611\/","title":{"rendered":"java\u600e\u4e48new\u5bf9\u8c61\u6570\u7ec4\u521d\u59cb\u5316"},"content":{"rendered":"

\n \u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u5bf9\u8c61\u6570\u7ec4\uff0c\u9700\u6307\u5b9a\u6570\u636e\u7c7b\u578b\u3001\u53d8\u91cf\u540d\u548c\u6570\u7ec4\u5927\u5c0f\u3002\u53ef\u901a\u8fc7\u7d22\u5f15\u8d4b\u503c\u6216\u6570\u7ec4\u521d\u59cb\u5316\u5668\u521d\u59cb\u5316\u6570\u7ec4\u5143\u7d20\uff0c\u4f46\u6570\u7ec4\u4e00\u65e6\u521b\u5efa\u5c31\u4e0d\u53ef\u66f4\u6539\u5927\u5c0f\uff0c\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff0c\u672a\u521d\u59cb\u5316\u7684\u5143\u7d20\u4e3a\u9ed8\u8ba4\u503c\u3002\n<\/p><\/blockquote>\n

\"java\u600e\u4e48new\u5bf9\u8c61\u6570\u7ec4\u521d\u59cb\u5316\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u5728 Java \u4e2d\u4f7f\u7528 new \u521d\u59cb\u5316\u5bf9\u8c61\u6570\u7ec4<\/strong><\/p>\n

\u521b\u5efa\u548c\u521d\u59cb\u5316\u5bf9\u8c61\u6570\u7ec4\u662f Java \u5f00\u53d1\u4e2d\u4e00\u9879\u5e38\u89c1\u7684\u4efb\u52a1\u3002\u6709\u51e0\u79cd\u65b9\u6cd5\u53ef\u4ee5\u505a\u5230\u8fd9\u4e00\u70b9\uff0c\u5176\u4e2d\u4e00\u79cd\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u662f\u4f7f\u7528 new \u5173\u952e\u5b57\u3002<\/p>\n

\u8bed\u6cd5\uff1a<\/strong><\/p>\n

\u6570\u636e\u7c7b\u578b[] \u53d8\u91cf\u540d = new \u6570\u636e\u7c7b\u578b[\u6570\u7ec4\u5927\u5c0f];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d\uff1a<\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
    \n
  • \u6570\u636e\u7c7b\u578b\uff1a\u8981\u521b\u5efa\u7684\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u636e\u7c7b\u578b\u3002<\/li>\n
  • \u53d8\u91cf\u540d\uff1a\u5206\u914d\u7ed9\u6570\u7ec4\u7684\u53d8\u91cf\u540d\u3002<\/li>\n
  • \u6570\u7ec4\u5927\u5c0f\uff1a\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002<\/li>\n<\/ul>\n
    \u793a\u4f8b\uff1a<\/strong><\/p>\n
    \u521b\u5efa\u4e00\u4e2a\u5305\u542b 5 \u4e2a\u6574\u6570\u7684\u6570\u7ec4\uff1a<\/p>\n
    int[] numbers = new int[5];<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u521d\u59cb\u5316\u6570\u7ec4\u5143\u7d20\uff1a<\/p>\n
    \/\/ \u901a\u8fc7\u7d22\u5f15\u8d4b\u503c\nnumbers[0] = 1;\nnumbers[1] = 2;\nnumbers[2] = 3;\nnumbers[3] = 4;\nnumbers[4] = 5;\n\n\/\/ \u901a\u8fc7\u6570\u7ec4\u521d\u59cb\u5316\u5668\nint[] numbers = {1, 2, 3, 4, 5};<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/p>\n
      \n
    • \u6570\u7ec4\u5927\u5c0f\u5fc5\u987b\u662f\u4e00\u4e2a\u6574\u6570\u5e38\u91cf\u6216\u6574\u6570\u503c\u8868\u8fbe\u5f0f\u3002<\/li>\n
    • \u6570\u7ec4\u4e00\u65e6\u521b\u5efa\u5e76\u521d\u59cb\u5316\uff0c\u5176\u5927\u5c0f\u5c31\u4e0d\u80fd\u66f4\u6539\u3002<\/li>\n
    • \u6570\u7ec4\u7d22\u5f15\u4ece 0 \u5f00\u59cb\u3002<\/li>\n
    • \u5982\u679c\u672a\u663e\u5f0f\u521d\u59cb\u5316\u6570\u7ec4\u5143\u7d20\uff0c\u5219\u5143\u7d20\u7684\u503c\u5c06\u4e3a\u9ed8\u8ba4\u503c\uff08\u5bf9\u4e8e\u57fa\u672c\u7c7b\u578b\u9ed8\u8ba4\u4e3a 0\uff0c\u5bf9\u4e8e\u5f15\u7528\u7c7b\u578b\u9ed8\u8ba4\u4e3a null\uff09\u3002<\/li>\n<\/ul>\n
      \u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48new\u5bf9\u8c61\u6570\u7ec4\u521d\u59cb\u5316\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
      \u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u5bf9\u8c61\u6570\u7ec4\uff0c\u9700\u6307\u5b9a\u6570\u636e\u7c7b\u578b\u3001\u53d8\u91cf\u540d\u548c\u6570\u7ec4\u5927\u5c0f\u3002\u53ef\u901a\u8fc7\u7d22\u5f15\u8d4b\u503c\u6216\u6570\u7ec4\u521d\u59cb\u5316\u5668\u521d\u59cb\u5316\u6570\u7ec4\u5143\u7d20\uff0c\u4f46\u6570\u7ec4\u4e00\u65e6\u521b\u5efa\u5c31\u4e0d\u53ef\u66f4\u6539\u5927\u5c0f\uff0c\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff0c\u672a\u521d\u59cb\u5316\u7684\u5143\u7d20\u4e3a\u9ed8\u8ba4\u503c\u3002 \u5982\u4f55\u5728 Java \u4e2d\u4f7f\u7528 new \u521d\u59cb\u5316\u5bf9\u8c61\u6570\u7ec4 \u521b\u5efa\u548c\u521d\u59cb\u5316\u5bf9\u8c61\u6570\u7ec4\u662f Java \u5f00\u53d1\u4e2d\u4e00\u9879\u5e38\u89c1\u7684\u4efb\u52a1\u3002\u6709\u51e0\u79cd\u65b9\u6cd5\u53ef\u4ee5\u505a\u5230\u8fd9\u4e00\u70b9\uff0c\u5176\u4e2d\u4e00\u79cd\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u662f\u4f7f\u7528 new \u5173\u952e\u5b57\u3002 \u8bed\u6cd5\uff1a \u6570\u636e\u7c7b\u578b[] \u53d8\u91cf\u540d = new \u6570\u636e\u7c7b\u578b[\u6570\u7ec4\u5927\u5c0f]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u6570\u636e\u7c7b\u578b\uff1a\u8981\u521b\u5efa\u7684\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u636e\u7c7b\u578b\u3002 \u53d8\u91cf\u540d\uff1a\u5206\u914d\u7ed9\u6570\u7ec4\u7684\u53d8\u91cf\u540d\u3002 \u6570\u7ec4\u5927\u5c0f\uff1a\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002 \u793a\u4f8b\uff1a \u521b\u5efa\u4e00\u4e2a\u5305\u542b 5 \u4e2a\u6574\u6570\u7684\u6570\u7ec4\uff1a int[] numbers = new int[5]; \u767b\u5f55\u540e\u590d\u5236 \u521d\u59cb\u5316\u6570\u7ec4\u5143\u7d20\uff1a \/\/ \u901a\u8fc7\u7d22\u5f15\u8d4b\u503c numbers[0] = 1; numbers[1] = 2; numbers[2] = 3; numbers[3] = 4; numbers[4] = 5; […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-38611","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38611","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=38611"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38611\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=38611"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=38611"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=38611"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}