{"id":37168,"date":"2024-11-26T16:31:28","date_gmt":"2024-11-26T08:31:28","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37168\/"},"modified":"2024-11-26T16:31:28","modified_gmt":"2024-11-26T08:31:28","slug":"java%e6%95%b0%e7%bb%84%e4%b8%ad%e6%80%8e%e4%b9%88%e8%b0%83%e7%94%a8%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37168\/","title":{"rendered":"Java\u6570\u7ec4\u4e2d\u600e\u4e48\u8c03\u7528\u65b9\u6cd5"},"content":{"rendered":"

\n java\u6570\u7ec4\u5143\u7d20\u65b9\u6cd5\u7684\u8c03\u7528\u6b65\u9aa4\uff1a1. \u83b7\u53d6\u6570\u7ec4\u5143\u7d20\u30022. \u4f7f\u7528.\u8fd0\u7b97\u7b26\u8c03\u7528\u65b9\u6cd5\u30023. \u8c03\u7528\u6570\u7ec4\u672c\u8eab\u7684\u65b9\u6cd5\uff0c\u5982length()\u3001clone()\u3001equals()\u3002\n<\/p><\/blockquote>\n

\"Java\u6570\u7ec4\u4e2d\u600e\u4e48\u8c03\u7528\u65b9\u6cd5\u63d2\u56fe\"<\/p>\n

Java\u6570\u7ec4\u4e2d\u5982\u4f55\u8c03\u7528\u65b9\u6cd5<\/strong><\/p>\n

Java\u6570\u7ec4\u662f\u4e00\u79cd\u53ef\u4ee5\u5b58\u50a8\u76f8\u540c\u7c7b\u578b\u5143\u7d20\u7684\u6570\u636e\u7ed3\u6784\u3002\u6570\u7ec4\u4e2d\u6bcf\u4e2a\u5143\u7d20\u90fd\u662f\u4e00\u4e2a\u5bf9\u8c61\uff0c\u56e0\u6b64\u53ef\u4ee5\u4f7f\u7528\u8be5\u5bf9\u8c61\u7684\u4efb\u4f55\u65b9\u6cd5\u3002<\/p>\n

\u8c03\u7528\u6570\u7ec4\u5143\u7d20\u65b9\u6cd5\u7684\u6b65\u9aa4\uff1a<\/strong><\/p>\n

    \n
  1. \u83b7\u53d6\u6570\u7ec4\u5143\u7d20\uff1a<\/strong>\u4f7f\u7528[]\u8fd0\u7b97\u7b26\u83b7\u53d6\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002<\/li>\n
  2. \u8c03\u7528\u65b9\u6cd5\uff1a<\/strong>\u5728\u83b7\u5f97\u7684\u6570\u7ec4\u5143\u7d20\u4e0a\u4f7f\u7528.\u8fd0\u7b97\u7b26\uff0c\u540e\u8ddf\u8981\u8c03\u7528\u7684\u65b9\u6cd5\u540d\u548c\u53c2\u6570\uff08\u5982\u679c\u9700\u8981\uff09\u3002<\/li>\n<\/ol>\n

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

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

    int[] numbers = {1, 2, 3, 4, 5};\n\n\/\/ \u83b7\u53d6\u6570\u7ec4\u7684\u7b2c\u4e8c\u4e2a\u5143\u7d20\nint secondNumber = numbers[1];\n\n\/\/ \u5728\u7b2c\u4e8c\u5143\u7d20\u4e0a\u8c03\u7528`toString`\u65b9\u6cd5\nString secondNumberString = Integer.toString(secondNumber);<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u9996\u5148\u83b7\u53d6\u6570\u7ec4\u7684\u7b2c\u4e8c\u4e2a\u5143\u7d20\uff0c\u7136\u540e\u5728\u8be5\u5143\u7d20\u4e0a\u8c03\u7528toString\u65b9\u6cd5\u4ee5\u5c06\u5176\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u3002<\/p>\n
    \u8c03\u7528\u6570\u7ec4\u672c\u8eab\u7684\u65b9\u6cd5\uff1a<\/strong><\/p>\n
    \u9664\u4e86\u8c03\u7528\u6570\u7ec4\u5143\u7d20\u7684\u65b9\u6cd5\u5916\uff0c\u8fd8\u53ef\u4ee5\u8c03\u7528\u6570\u7ec4\u672c\u8eab\u7684\u65b9\u6cd5\u3002\u6570\u7ec4\u7c7b\u63d0\u4f9b\u4e86\u51e0\u4e2a\u6709\u7528\u7684\u65b9\u6cd5\uff0c\u4f8b\u5982\uff1a<\/p>\n
      \n
    •  length()\uff1a<\/strong>\u8fd4\u56de\u6570\u7ec4\u7684\u957f\u5ea6\u3002<\/li>\n
    •  clone()\uff1a<\/strong>\u521b\u5efa\u6570\u7ec4\u7684\u4e00\u4e2a\u526f\u672c\u3002<\/li>\n
    •  equals()\uff1a<\/strong>\u6bd4\u8f83\u4e24\u4e2a\u6570\u7ec4\u662f\u5426\u76f8\u7b49\u3002<\/li>\n<\/ul>\n
      \u793a\u4f8b\uff1a<\/strong><\/p>\n
      \u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
      int[] numbers = {1, 2, 3, 4, 5};\n\n\/\/ \u83b7\u53d6\u6570\u7ec4\u7684\u957f\u5ea6\nint arrayLength = numbers.length;\n\n\/\/ \u521b\u5efa\u6570\u7ec4\u7684\u4e00\u4e2a\u526f\u672c\nint[] numbersCopy = numbers.clone();<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u9996\u5148\u83b7\u53d6\u6570\u7ec4\u7684\u957f\u5ea6\uff0c\u7136\u540e\u521b\u5efa\u6570\u7ec4\u7684\u4e00\u4e2a\u526f\u672c\u3002<\/p>\n
      \u4ee5\u4e0a\u5c31\u662fJava\u6570\u7ec4\u4e2d\u600e\u4e48\u8c03\u7528\u65b9\u6cd5\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":"
      java\u6570\u7ec4\u5143\u7d20\u65b9\u6cd5\u7684\u8c03\u7528\u6b65\u9aa4\uff1a1. \u83b7\u53d6\u6570\u7ec4\u5143\u7d20\u30022. \u4f7f\u7528.\u8fd0\u7b97\u7b26\u8c03\u7528\u65b9\u6cd5\u30023. \u8c03\u7528\u6570\u7ec4\u672c\u8eab\u7684\u65b9\u6cd5\uff0c\u5982length()\u3001clone()\u3001equals()\u3002 Java\u6570\u7ec4\u4e2d\u5982\u4f55\u8c03\u7528\u65b9\u6cd5 Java\u6570\u7ec4\u662f\u4e00\u79cd\u53ef\u4ee5\u5b58\u50a8\u76f8\u540c\u7c7b\u578b\u5143\u7d20\u7684\u6570\u636e\u7ed3\u6784\u3002\u6570\u7ec4\u4e2d\u6bcf\u4e2a\u5143\u7d20\u90fd\u662f\u4e00\u4e2a\u5bf9\u8c61\uff0c\u56e0\u6b64\u53ef\u4ee5\u4f7f\u7528\u8be5\u5bf9\u8c61\u7684\u4efb\u4f55\u65b9\u6cd5\u3002 \u8c03\u7528\u6570\u7ec4\u5143\u7d20\u65b9\u6cd5\u7684\u6b65\u9aa4\uff1a \u83b7\u53d6\u6570\u7ec4\u5143\u7d20\uff1a\u4f7f\u7528[]\u8fd0\u7b97\u7b26\u83b7\u53d6\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002 \u8c03\u7528\u65b9\u6cd5\uff1a\u5728\u83b7\u5f97\u7684\u6570\u7ec4\u5143\u7d20\u4e0a\u4f7f\u7528.\u8fd0\u7b97\u7b26\uff0c\u540e\u8ddf\u8981\u8c03\u7528\u7684\u65b9\u6cd5\u540d\u548c\u53c2\u6570\uff08\u5982\u679c\u9700\u8981\uff09\u3002 \u793a\u4f8b\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] numbers = {1, 2, 3, 4, 5}; \/\/ \u83b7\u53d6\u6570\u7ec4\u7684\u7b2c\u4e8c\u4e2a\u5143\u7d20 int secondNumber = numbers[1]; \/\/ \u5728\u7b2c\u4e8c\u5143\u7d20\u4e0a\u8c03\u7528`toString`\u65b9\u6cd5 String secondNumberString = Integer.toString(secondNumber); \u767b\u5f55\u540e\u590d\u5236 \u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u9996\u5148\u83b7\u53d6\u6570\u7ec4\u7684\u7b2c\u4e8c\u4e2a\u5143\u7d20\uff0c\u7136\u540e\u5728\u8be5\u5143\u7d20\u4e0a\u8c03\u7528toString\u65b9\u6cd5\u4ee5\u5c06\u5176\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u3002 \u8c03\u7528\u6570\u7ec4\u672c\u8eab\u7684\u65b9\u6cd5\uff1a \u9664\u4e86\u8c03\u7528\u6570\u7ec4\u5143\u7d20\u7684\u65b9\u6cd5\u5916\uff0c\u8fd8\u53ef\u4ee5\u8c03\u7528\u6570\u7ec4\u672c\u8eab\u7684\u65b9\u6cd5\u3002\u6570\u7ec4\u7c7b\u63d0\u4f9b\u4e86\u51e0\u4e2a\u6709\u7528\u7684\u65b9\u6cd5\uff0c\u4f8b\u5982\uff1a length()\uff1a\u8fd4\u56de\u6570\u7ec4\u7684\u957f\u5ea6\u3002 clone()\uff1a\u521b\u5efa\u6570\u7ec4\u7684\u4e00\u4e2a\u526f\u672c\u3002 equals()\uff1a\u6bd4\u8f83\u4e24\u4e2a\u6570\u7ec4\u662f\u5426\u76f8\u7b49\u3002 \u793a\u4f8b\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] numbers = {1, 2, 3, 4, 5}; \/\/ \u83b7\u53d6\u6570\u7ec4\u7684\u957f\u5ea6 int arrayLength = numbers.length; \/\/ […]<\/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-37168","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37168","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=37168"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37168\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37168"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37168"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37168"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}