{"id":66784,"date":"2025-05-03T09:59:58","date_gmt":"2025-05-03T01:59:58","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66784\/"},"modified":"2025-05-03T09:59:58","modified_gmt":"2025-05-03T01:59:58","slug":"java%e4%b8%ad%e6%80%8e%e4%b9%88%e5%82%a8%e5%ad%98%e4%b8%80%e4%b8%aa%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66784\/","title":{"rendered":"java\u4e2d\u600e\u4e48\u50a8\u5b58\u4e00\u4e2a\u6570\u7ec4"},"content":{"rendered":"

\n java \u4e2d\u5b58\u50a8\u6570\u7ec4\u7684\u65b9\u5f0f\u6709\uff1a\u57fa\u672c\u7c7b\u578b\u6570\u7ec4\u3001\u5bf9\u8c61\u6570\u7ec4\u3001\u591a\u7ef4\u6570\u7ec4\u3001\u6570\u7ec4\u5217\u8868\u548c\u6570\u7ec4\u5de5\u5177\u7c7b\u3002\n<\/p><\/blockquote>\n

\"java\u4e2d\u600e\u4e48\u50a8\u5b58\u4e00\u4e2a\u6570\u7ec4\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u5728 Java \u4e2d\u5b58\u50a8\u6570\u7ec4<\/strong><\/p>\n

Java \u4e2d\u5b58\u50a8\u6570\u7ec4\u6709\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\uff1a<\/p>\n

\u4e00\u3001\u57fa\u672c\u7c7b\u578b\u6570\u7ec4<\/strong><\/p>\n

\u4f7f\u7528\u57fa\u672c\u7c7b\u578b\uff08int\u3001char \u7b49\uff09\u5b9a\u4e49\u6570\u7ec4\uff1a<\/p>\n

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

int[] numbers = {1, 2, 3, 4, 5};<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4e8c\u3001\u5bf9\u8c61\u6570\u7ec4<\/strong><\/p>\n
\u4f7f\u7528\u5f15\u7528\u7c7b\u578b\u5b9a\u4e49\u6570\u7ec4\uff1a<\/p>\n
String[] names = {\"John\", \"Mary\", \"Bob\"};<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4e09\u3001\u591a\u7ef4\u6570\u7ec4<\/strong><\/p>\n
\u58f0\u660e\u591a\u7ef4\u5ea6\u7684\u6570\u7ec4\uff1a<\/p>\n
int[][] twoDimArray = {\n    {1, 2, 3},\n    {4, 5, 6}\n};<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u56db\u3001\u6570\u7ec4\u5217\u8868\uff08List\uff09<\/strong><\/p>\n
\u4f7f\u7528\u6cdb\u578b\u6570\u7ec4\u5217\u8868\u5b58\u50a8\u6570\u7ec4\uff1a<\/p>\n
List<Integer> numberList = Arrays.asList(1, 2, 3, 4, 5);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6570\u7ec4\u5217\u8868\u4e0d\u53ef\u4fee\u6539\uff0c\u4f46\u53ef\u4ee5\u901a\u8fc7\u8f6c\u6362\u83b7\u53d6\u53ef\u4fee\u6539\u7684\u6570\u7ec4\uff1a<\/p>\n
int[] numberArray = numberList.stream().mapToInt(i -> i).toArray();<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4e94\u3001\u6570\u7ec4\u5de5\u5177\u7c7b\uff08Arrays\uff09<\/strong><\/p>\n
\u4f7f\u7528 Java \u4e2d\u7684 Arrays \u7c7b\u6765\u64cd\u4f5c\u6570\u7ec4\uff1a<\/p>\n
    \n
  • \n
    \u58f0\u660e\u4e00\u4e2a\u957f\u5ea6\u4e3a n \u7684\u7a7a\u6570\u7ec4\uff1a<\/strong><\/p>\n
    int[] emptyArray = new int[n];<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/li>\n
  • \n
    \u590d\u5236\u6570\u7ec4\uff1a<\/strong><\/p>\n
    int[] copyArray = Arrays.copyOf(originalArray, originalArray.length);<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/li>\n
  • \n
    \u6392\u5e8f\u6570\u7ec4\uff1a<\/strong><\/p>\n
    Arrays.sort(array);<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/li>\n
  • \n
    \u4e8c\u5206\u67e5\u627e\u5143\u7d20\uff1a<\/strong><\/p>\n
    int index = Arrays.binarySearch(array, element);<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/li>\n<\/ul>\n
    \u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u600e\u4e48\u50a8\u5b58\u4e00\u4e2a\u6570\u7ec4\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
    java \u4e2d\u5b58\u50a8\u6570\u7ec4\u7684\u65b9\u5f0f\u6709\uff1a\u57fa\u672c\u7c7b\u578b\u6570\u7ec4\u3001\u5bf9\u8c61\u6570\u7ec4\u3001\u591a\u7ef4\u6570\u7ec4\u3001\u6570\u7ec4\u5217\u8868\u548c\u6570\u7ec4\u5de5\u5177\u7c7b\u3002 \u5982\u4f55\u5728 Java \u4e2d\u5b58\u50a8\u6570\u7ec4 Java \u4e2d\u5b58\u50a8\u6570\u7ec4\u6709\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\uff1a \u4e00\u3001\u57fa\u672c\u7c7b\u578b\u6570\u7ec4 \u4f7f\u7528\u57fa\u672c\u7c7b\u578b\uff08int\u3001char \u7b49\uff09\u5b9a\u4e49\u6570\u7ec4\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] numbers = {1, 2, 3, 4, 5}; \u767b\u5f55\u540e\u590d\u5236 \u4e8c\u3001\u5bf9\u8c61\u6570\u7ec4 \u4f7f\u7528\u5f15\u7528\u7c7b\u578b\u5b9a\u4e49\u6570\u7ec4\uff1a String[] names = {“John”, “Mary”, “Bob”}; \u767b\u5f55\u540e\u590d\u5236 \u4e09\u3001\u591a\u7ef4\u6570\u7ec4 \u58f0\u660e\u591a\u7ef4\u5ea6\u7684\u6570\u7ec4\uff1a int[][] twoDimArray = { {1, 2, 3}, {4, 5, 6} }; \u767b\u5f55\u540e\u590d\u5236 \u56db\u3001\u6570\u7ec4\u5217\u8868\uff08List\uff09 \u4f7f\u7528\u6cdb\u578b\u6570\u7ec4\u5217\u8868\u5b58\u50a8\u6570\u7ec4\uff1a List<Integer> numberList = Arrays.asList(1, 2, 3, 4, 5); \u767b\u5f55\u540e\u590d\u5236 \u6570\u7ec4\u5217\u8868\u4e0d\u53ef\u4fee\u6539\uff0c\u4f46\u53ef\u4ee5\u901a\u8fc7\u8f6c\u6362\u83b7\u53d6\u53ef\u4fee\u6539\u7684\u6570\u7ec4\uff1a […]<\/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-66784","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66784","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=66784"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66784\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66784"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66784"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66784"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}