{"id":37740,"date":"2024-11-26T09:39:26","date_gmt":"2024-11-26T01:39:26","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37740\/"},"modified":"2024-11-26T09:39:26","modified_gmt":"2024-11-26T01:39:26","slug":"java-%e6%95%b4%e5%9e%8b%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e6%b8%85%e7%a9%ba%e5%85%83%e7%b4%a0","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37740\/","title":{"rendered":"java \u6574\u578b\u6570\u7ec4\u600e\u4e48\u6e05\u7a7a\u5143\u7d20"},"content":{"rendered":"

\n \u5728 java \u4e2d\uff0c\u6e05\u7a7a\u6574\u578b\u6570\u7ec4\u5143\u7d20\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528 arrays.fill() \u586b\u5145\u6570\u7ec4\u5143\u7d20\u4e3a\u6307\u5b9a\u503c\uff08\u5982 0\uff09\uff1b\u904d\u5386\u6570\u7ec4\u9010\u4e2a\u8bbe\u7f6e\u6bcf\u4e2a\u5143\u7d20\u4e3a\u6307\u5b9a\u503c\u3002\n<\/p><\/blockquote>\n

\"java<\/p>\n

\u5982\u4f55\u6e05\u7a7a Java \u6574\u578b\u6570\u7ec4\u7684\u5143\u7d20<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u6e05\u7a7a\u6574\u578b\u6570\u7ec4\u7684\u5143\u7d20\u6709\u4e24\u79cd\u5e38\u7528\u65b9\u6cd5\uff1a<\/p>\n

\u65b9\u6cd5 1\uff1a\u4f7f\u7528 Arrays.fill()<\/strong><\/p>\n

Arrays.fill() \u65b9\u6cd5\u4f1a\u7528\u7ed9\u5b9a\u7684\u503c\u586b\u5145\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n

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

Arrays.fill(arrayName, value);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d\uff1a<\/p>\n
    \n
  • arrayName\uff1a\u8981\u6e05\u7a7a\u7684\u6574\u578b\u6570\u7ec4<\/li>\n
  • value\uff1a\u8981\u586b\u5145\u7684\u503c\uff08\u5bf9\u4e8e\u6574\u578b\u6570\u7ec4\uff0c\u901a\u5e38\u662f 0\uff09<\/li>\n<\/ul>\n
    \u65b9\u6cd5 2\uff1a\u904d\u5386\u6570\u7ec4\u5e76\u9010\u4e2a\u8bbe\u7f6e\u5143\u7d20<\/strong><\/p>\n
    \u8fd9\u79cd\u65b9\u6cd5\u6d89\u53ca\u904d\u5386\u6570\u7ec4\u5e76\u663e\u5f0f\u5730\u5c06\u6bcf\u4e2a\u5143\u7d20\u8bbe\u7f6e\u4e3a\u6240\u9700\u7684\u503c\uff08\u4f8b\u5982 0\uff09\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n
    for (int i = 0; i < arrayName.length; i++) {\n    arrayName[i] = 0;\n}<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u5176\u4e2d\uff1a<\/p>\n
      \n
    • arrayName\uff1a\u8981\u6e05\u7a7a\u7684\u6574\u578b\u6570\u7ec4<\/li>\n
    • arrayName.length\uff1a\u6570\u7ec4\u7684\u957f\u5ea6<\/li>\n
    • i\uff1a\u5143\u7d20\u7d22\u5f15<\/li>\n<\/ul>\n
      \u793a\u4f8b<\/strong><\/p>\n
      \u4ee5\u4e0b\u793a\u4f8b\u6f14\u793a\u5982\u4f55\u4f7f\u7528\u8fd9\u4e24\u79cd\u65b9\u6cd5\u6e05\u7a7a\u4e00\u4e2a\u6574\u578b\u6570\u7ec4\uff1a<\/p>\n
      int[] myArray = {1, 2, 3, 4, 5};\n\n\/\/ \u4f7f\u7528 Arrays.fill()\nArrays.fill(myArray, 0);\n\/\/ \u6570\u7ec4\u73b0\u5728\u5305\u542b [0, 0, 0, 0, 0]\n\n\/\/ \u4f7f\u7528\u904d\u5386\nfor (int i = 0; i < myArray.length; i++) {\n    myArray[i] = 0;\n}\n\/\/ \u6570\u7ec4\u73b0\u5728\u4ecd\u7136\u5305\u542b [0, 0, 0, 0, 0]<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u5efa\u8bae<\/strong><\/p>\n
      \u5bf9\u4e8e\u8f83\u5927\u7684\u6570\u7ec4\uff0c\u4f7f\u7528 Arrays.fill() \u65b9\u6cd5\u901a\u5e38\u66f4\u6709\u6548\u7387\uff0c\u56e0\u4e3a\u5b83\u53ea\u9700\u8981\u4e00\u6b21\u8c03\u7528\u3002\u4f46\u662f\uff0c\u5bf9\u4e8e\u8f83\u5c0f\u7684\u6570\u7ec4\uff0c\u4f7f\u7528\u904d\u5386\u65b9\u6cd5\u53ef\u80fd\u66f4\u7b80\u5355\u3002<\/p>\n
      \u4ee5\u4e0a\u5c31\u662fjava \u6574\u578b\u6570\u7ec4\u600e\u4e48\u6e05\u7a7a\u5143\u7d20\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":"
      \u5728 java \u4e2d\uff0c\u6e05\u7a7a\u6574\u578b\u6570\u7ec4\u5143\u7d20\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528 arrays.fill() \u586b\u5145\u6570\u7ec4\u5143\u7d20\u4e3a\u6307\u5b9a\u503c\uff08\u5982 0\uff09\uff1b\u904d\u5386\u6570\u7ec4\u9010\u4e2a\u8bbe\u7f6e\u6bcf\u4e2a\u5143\u7d20\u4e3a\u6307\u5b9a\u503c\u3002 \u5982\u4f55\u6e05\u7a7a Java \u6574\u578b\u6570\u7ec4\u7684\u5143\u7d20 \u5728 Java \u4e2d\uff0c\u6e05\u7a7a\u6574\u578b\u6570\u7ec4\u7684\u5143\u7d20\u6709\u4e24\u79cd\u5e38\u7528\u65b9\u6cd5\uff1a \u65b9\u6cd5 1\uff1a\u4f7f\u7528 Arrays.fill() Arrays.fill() \u65b9\u6cd5\u4f1a\u7528\u7ed9\u5b9a\u7684\u503c\u586b\u5145\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b Arrays.fill(arrayName, value); \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a arrayName\uff1a\u8981\u6e05\u7a7a\u7684\u6574\u578b\u6570\u7ec4 value\uff1a\u8981\u586b\u5145\u7684\u503c\uff08\u5bf9\u4e8e\u6574\u578b\u6570\u7ec4\uff0c\u901a\u5e38\u662f 0\uff09 \u65b9\u6cd5 2\uff1a\u904d\u5386\u6570\u7ec4\u5e76\u9010\u4e2a\u8bbe\u7f6e\u5143\u7d20 \u8fd9\u79cd\u65b9\u6cd5\u6d89\u53ca\u904d\u5386\u6570\u7ec4\u5e76\u663e\u5f0f\u5730\u5c06\u6bcf\u4e2a\u5143\u7d20\u8bbe\u7f6e\u4e3a\u6240\u9700\u7684\u503c\uff08\u4f8b\u5982 0\uff09\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a for (int i = 0; i < arrayName.length; i++) { arrayName[i] = 0; } \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a arrayName\uff1a\u8981\u6e05\u7a7a\u7684\u6574\u578b\u6570\u7ec4 arrayName.length\uff1a\u6570\u7ec4\u7684\u957f\u5ea6 i\uff1a\u5143\u7d20\u7d22\u5f15 \u793a\u4f8b \u4ee5\u4e0b\u793a\u4f8b\u6f14\u793a\u5982\u4f55\u4f7f\u7528\u8fd9\u4e24\u79cd\u65b9\u6cd5\u6e05\u7a7a\u4e00\u4e2a\u6574\u578b\u6570\u7ec4\uff1a int[] myArray = {1, 2, […]<\/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-37740","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37740","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=37740"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37740\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37740"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37740"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37740"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}