{"id":37882,"date":"2024-11-26T16:50:29","date_gmt":"2024-11-26T08:50:29","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37882\/"},"modified":"2024-11-26T16:50:29","modified_gmt":"2024-11-26T08:50:29","slug":"java%e6%80%8e%e4%b9%88%e8%a7%84%e5%ae%9a%e6%95%b0%e7%bb%84%e5%8f%82%e6%95%b0%e5%a4%a7%e5%b0%8f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37882\/","title":{"rendered":"java\u600e\u4e48\u89c4\u5b9a\u6570\u7ec4\u53c2\u6570\u5927\u5c0f"},"content":{"rendered":"

\n java \u4e2d\u4f7f\u7528\u56fa\u5b9a\u5927\u5c0f\u6570\u7ec4\u89c4\u5b9a\u6570\u7ec4\u53c2\u6570\u5927\u5c0f\uff0c\u5176\u5927\u5c0f\u5728\u7f16\u8bd1\u65f6\u786e\u5b9a\uff0c\u65e0\u6cd5\u5728\u8fd0\u884c\u65f6\u66f4\u6539\u3002\u8981\u58f0\u660e\uff0c\u9700\u4f7f\u7528\u8bed\u6cd5 int[] myarray = new int[size]\uff0c\u5176\u4e2d size \u4e3a\u7f16\u8bd1\u65f6\u5e38\u91cf\u3002java \u4e0d\u652f\u6301\u53ef\u53d8\u53c2\u6570\u5927\u5c0f\u6570\u7ec4\uff0c\u56e0\u6b64\u4e0d\u80fd\u4f7f\u7528\u53ef\u53d8\u5927\u5c0f\u6570\u7ec4\u3002\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u89c4\u5b9a\u6570\u7ec4\u53c2\u6570\u5927\u5c0f\u63d2\u56fe\"<\/p>\n

Java \u5982\u4f55\u89c4\u5b9a\u6570\u7ec4\u53c2\u6570\u5927\u5c0f<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u89c4\u5b9a\u6570\u7ec4\u53c2\u6570\u5927\u5c0f\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u56fa\u5b9a\u5927\u5c0f\u6570\u7ec4\u3002\u56fa\u5b9a\u5927\u5c0f\u6570\u7ec4\u7684\u5927\u5c0f\u662f\u5728\u7f16\u8bd1\u65f6\u786e\u5b9a\u7684\uff0c\u5e76\u4e14\u5728\u8fd0\u884c\u65f6\u65e0\u6cd5\u66f4\u6539\u3002<\/p>\n

\u8981\u58f0\u660e\u4e00\u4e2a\u56fa\u5b9a\u5927\u5c0f\u6570\u7ec4\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n

int[] myArray = new int[size];<\/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
  • myArray \u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002<\/li>\n
  • int \u662f\u6570\u7ec4\u5143\u7d20\u7684\u6570\u636e\u7c7b\u578b\u3002<\/li>\n
  • size \u662f\u6570\u7ec4\u7684\u5927\u5c0f\uff0c\u5fc5\u987b\u662f\u4e00\u4e2a\u7f16\u8bd1\u65f6\u5e38\u91cf\uff08\u4f8b\u5982\uff0c\u4e00\u4e2a\u6570\u5b57\u6216\u4e00\u4e2a\u6700\u7ec8\u9759\u6001\u5e38\u91cf\uff09\u3002<\/li>\n<\/ul>\n
    \u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u7801\u58f0\u660e\u4e00\u4e2a\u5927\u5c0f\u4e3a 5 \u7684\u56fa\u5b9a\u5927\u5c0f\u6570\u7ec4\uff1a<\/p>\n
    int[] myArray = new int[5];<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u521b\u5efa\u6570\u7ec4\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528\u65b9\u62ec\u53f7\u8bbf\u95ee\u5143\u7d20\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u7801\u8bbf\u95ee\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\uff1a<\/p>\n
    int firstElement = myArray[0];<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u8bf7\u6ce8\u610f\uff0cJava \u6570\u7ec4\u662f\u4ece 0 \u5f00\u59cb\u7d22\u5f15\u7684\uff0c\u8fd9\u610f\u5473\u7740\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u4e3a 0\uff0c\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u4e3a size – 1\u3002<\/p>\n
    \u4e0d\u80fd\u4f7f\u7528\u53ef\u53d8\u53c2\u6570\u6570\u7ec4<\/strong><\/p>\n
    Java \u4e2d\u6ca1\u6709\u6307\u5b9a\u53ef\u53d8\u53c2\u6570\u5927\u5c0f\u6570\u7ec4\u7684\u65b9\u6cd5\u3002\u8fd9\u610f\u5473\u7740\u60a8\u65e0\u6cd5\u5728\u8fd0\u884c\u65f6\u66f4\u6539\u6570\u7ec4\u7684\u5927\u5c0f\u3002\u5982\u679c\u60a8\u9700\u8981\u4e00\u4e2a\u53ef\u53d8\u5927\u5c0f\u7684\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528 List \u6216 ArrayList \u7b49\u96c6\u5408\u7c7b\u3002<\/p>\n
    \u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u89c4\u5b9a\u6570\u7ec4\u53c2\u6570\u5927\u5c0f\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 \u4e2d\u4f7f\u7528\u56fa\u5b9a\u5927\u5c0f\u6570\u7ec4\u89c4\u5b9a\u6570\u7ec4\u53c2\u6570\u5927\u5c0f\uff0c\u5176\u5927\u5c0f\u5728\u7f16\u8bd1\u65f6\u786e\u5b9a\uff0c\u65e0\u6cd5\u5728\u8fd0\u884c\u65f6\u66f4\u6539\u3002\u8981\u58f0\u660e\uff0c\u9700\u4f7f\u7528\u8bed\u6cd5 int[] myarray = new int[size]\uff0c\u5176\u4e2d size \u4e3a\u7f16\u8bd1\u65f6\u5e38\u91cf\u3002java \u4e0d\u652f\u6301\u53ef\u53d8\u53c2\u6570\u5927\u5c0f\u6570\u7ec4\uff0c\u56e0\u6b64\u4e0d\u80fd\u4f7f\u7528\u53ef\u53d8\u5927\u5c0f\u6570\u7ec4\u3002 Java \u5982\u4f55\u89c4\u5b9a\u6570\u7ec4\u53c2\u6570\u5927\u5c0f \u5728 Java \u4e2d\uff0c\u89c4\u5b9a\u6570\u7ec4\u53c2\u6570\u5927\u5c0f\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u56fa\u5b9a\u5927\u5c0f\u6570\u7ec4\u3002\u56fa\u5b9a\u5927\u5c0f\u6570\u7ec4\u7684\u5927\u5c0f\u662f\u5728\u7f16\u8bd1\u65f6\u786e\u5b9a\u7684\uff0c\u5e76\u4e14\u5728\u8fd0\u884c\u65f6\u65e0\u6cd5\u66f4\u6539\u3002 \u8981\u58f0\u660e\u4e00\u4e2a\u56fa\u5b9a\u5927\u5c0f\u6570\u7ec4\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a int[] myArray = new int[size]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b myArray \u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002 int \u662f\u6570\u7ec4\u5143\u7d20\u7684\u6570\u636e\u7c7b\u578b\u3002 size \u662f\u6570\u7ec4\u7684\u5927\u5c0f\uff0c\u5fc5\u987b\u662f\u4e00\u4e2a\u7f16\u8bd1\u65f6\u5e38\u91cf\uff08\u4f8b\u5982\uff0c\u4e00\u4e2a\u6570\u5b57\u6216\u4e00\u4e2a\u6700\u7ec8\u9759\u6001\u5e38\u91cf\uff09\u3002 \u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u7801\u58f0\u660e\u4e00\u4e2a\u5927\u5c0f\u4e3a 5 \u7684\u56fa\u5b9a\u5927\u5c0f\u6570\u7ec4\uff1a int[] myArray = new int[5]; \u767b\u5f55\u540e\u590d\u5236 \u521b\u5efa\u6570\u7ec4\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528\u65b9\u62ec\u53f7\u8bbf\u95ee\u5143\u7d20\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u7801\u8bbf\u95ee\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\uff1a int firstElement = myArray[0]; \u767b\u5f55\u540e\u590d\u5236 \u8bf7\u6ce8\u610f\uff0cJava \u6570\u7ec4\u662f\u4ece 0 \u5f00\u59cb\u7d22\u5f15\u7684\uff0c\u8fd9\u610f\u5473\u7740\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u4e3a 0\uff0c\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u4e3a size – 1\u3002 \u4e0d\u80fd\u4f7f\u7528\u53ef\u53d8\u53c2\u6570\u6570\u7ec4 Java […]<\/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-37882","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37882","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=37882"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37882\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37882"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37882"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37882"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}