{"id":37514,"date":"2024-11-26T13:26:35","date_gmt":"2024-11-26T05:26:35","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37514\/"},"modified":"2024-11-26T13:26:35","modified_gmt":"2024-11-26T05:26:35","slug":"java%e4%b8%ad%e6%80%8e%e4%b9%88new%e5%af%b9%e8%b1%a1%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37514\/","title":{"rendered":"java\u4e2d\u600e\u4e48new\u5bf9\u8c61\u6570\u7ec4"},"content":{"rendered":"

\n \u7b54\u6848\uff1a java \u4e2d\u7684\u5bf9\u8c61\u6570\u7ec4\u521b\u5efa\u6d89\u53ca\u4ee5\u4e0b\u6b65\u9aa4\uff1a\u5b9a\u4e49\u6570\u7ec4\u7c7b\u578b\uff0c\u6307\u5b9a\u5143\u7d20\u7c7b\u578b\uff08\u4f8b\u5982 int[] \u6216 string[]\uff09\u3002\u521b\u5efa\u6570\u7ec4\u5bf9\u8c61\uff0c\u6307\u5b9a\u6570\u7ec4\u5927\u5c0f\uff08\u4f8b\u5982 new int[5]\uff09\u3002\u521d\u59cb\u5316\u6570\u7ec4\u5143\u7d20\uff0c\u4f7f\u7528\u65b9\u62ec\u53f7\u5206\u914d\u503c\uff08\u4f8b\u5982 myarray[0] = 10\uff09\u3002\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff0c\u901a\u8fc7\u7d22\u5f15\uff08\u4f8b\u5982 system.out.println(numbers[2])\uff09\u3002\u83b7\u53d6\u6570\u7ec4\u957f\u5ea6\uff0c\u4f7f\u7528 length \u5c5e\u6027\uff08\u4f8b\u5982 numbers.length\uff09\u3002\n<\/p><\/blockquote>\n

\"java\u4e2d\u600e\u4e48new\u5bf9\u8c61\u6570\u7ec4\u63d2\u56fe\"<\/p>\n

Java \u4e2d\u521b\u5efa\u5bf9\u8c61\u6570\u7ec4<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u521b\u5efa\u5bf9\u8c61\u6570\u7ec4\uff1a<\/p>\n

    \n
  1. \u5b9a\u4e49\u6570\u7ec4\u7c7b\u578b\uff1a<\/strong>\u6307\u5b9a\u6570\u7ec4\u5143\u7d20\u7684\u7c7b\u578b\uff0c\u4f8b\u5982 int[]\u3001String[] \u6216 Object[]\u3002<\/li>\n
  2. \u521b\u5efa\u6570\u7ec4\u5bf9\u8c61\uff1a<\/strong>\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\u5bf9\u8c61\uff0c\u5e76\u6307\u5b9a\u6570\u7ec4\u5927\u5c0f\u3002\u4f8b\u5982\uff1aint[] myArray = new int[5];<\/li>\n
  3. \u521d\u59cb\u5316\u6570\u7ec4\u5143\u7d20\uff1a<\/strong>\u4f7f\u7528\u65b9\u62ec\u53f7\u4e3a\u6570\u7ec4\u5143\u7d20\u5206\u914d\u503c\u3002\u4f8b\u5982\uff1amyArray[0] = 10;<\/li>\n<\/ol>\n

    \u793a\u4f8b\uff1a<\/strong><\/p>\n

    \u521b\u5efa\u4e00\u4e2a\u5305\u542b 5 \u4e2a\u6574\u6570\u7684\u6570\u7ec4\uff1a<\/p>\n

    \u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n

    int[] numbers = new int[5];\nnumbers[0] = 10;\nnumbers[1] = 20;\nnumbers[2] = 30;\nnumbers[3] = 40;\nnumbers[4] = 50;<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff1a<\/strong><\/p>\n
    \u901a\u8fc7\u6570\u7ec4\u7d22\u5f15\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n
    System.out.println(numbers[2]); \/\/ \u8f93\u51fa\uff1a30<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u6570\u7ec4\u957f\u5ea6\uff1a<\/strong><\/p>\n
    \u53ef\u4ee5\u901a\u8fc7 length \u5c5e\u6027\u83b7\u53d6\u6570\u7ec4\u7684\u957f\u5ea6\u3002\u4f8b\u5982\uff1a<\/p>\n
    int arrayLength = numbers.length; \/\/ arrayLength \u7b49\u4e8e 5<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u600e\u4e48new\u5bf9\u8c61\u6570\u7ec4\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":"
    \u7b54\u6848\uff1a java \u4e2d\u7684\u5bf9\u8c61\u6570\u7ec4\u521b\u5efa\u6d89\u53ca\u4ee5\u4e0b\u6b65\u9aa4\uff1a\u5b9a\u4e49\u6570\u7ec4\u7c7b\u578b\uff0c\u6307\u5b9a\u5143\u7d20\u7c7b\u578b\uff08\u4f8b\u5982 int[] \u6216 string[]\uff09\u3002\u521b\u5efa\u6570\u7ec4\u5bf9\u8c61\uff0c\u6307\u5b9a\u6570\u7ec4\u5927\u5c0f\uff08\u4f8b\u5982 new int[5]\uff09\u3002\u521d\u59cb\u5316\u6570\u7ec4\u5143\u7d20\uff0c\u4f7f\u7528\u65b9\u62ec\u53f7\u5206\u914d\u503c\uff08\u4f8b\u5982 myarray[0] = 10\uff09\u3002\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff0c\u901a\u8fc7\u7d22\u5f15\uff08\u4f8b\u5982 system.out.println(numbers[2])\uff09\u3002\u83b7\u53d6\u6570\u7ec4\u957f\u5ea6\uff0c\u4f7f\u7528 length \u5c5e\u6027\uff08\u4f8b\u5982 numbers.length\uff09\u3002 Java \u4e2d\u521b\u5efa\u5bf9\u8c61\u6570\u7ec4 \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u521b\u5efa\u5bf9\u8c61\u6570\u7ec4\uff1a \u5b9a\u4e49\u6570\u7ec4\u7c7b\u578b\uff1a\u6307\u5b9a\u6570\u7ec4\u5143\u7d20\u7684\u7c7b\u578b\uff0c\u4f8b\u5982 int[]\u3001String[] \u6216 Object[]\u3002 \u521b\u5efa\u6570\u7ec4\u5bf9\u8c61\uff1a\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\u5bf9\u8c61\uff0c\u5e76\u6307\u5b9a\u6570\u7ec4\u5927\u5c0f\u3002\u4f8b\u5982\uff1aint[] myArray = new int[5]; \u521d\u59cb\u5316\u6570\u7ec4\u5143\u7d20\uff1a\u4f7f\u7528\u65b9\u62ec\u53f7\u4e3a\u6570\u7ec4\u5143\u7d20\u5206\u914d\u503c\u3002\u4f8b\u5982\uff1amyArray[0] = 10; \u793a\u4f8b\uff1a \u521b\u5efa\u4e00\u4e2a\u5305\u542b 5 \u4e2a\u6574\u6570\u7684\u6570\u7ec4\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] numbers = new int[5]; numbers[0] = 10; numbers[1] = 20; numbers[2] = 30; numbers[3] = […]<\/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-37514","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37514","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=37514"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37514\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37514"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37514"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37514"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}