{"id":65635,"date":"2025-05-03T12:54:23","date_gmt":"2025-05-03T04:54:23","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65635\/"},"modified":"2025-05-03T12:54:23","modified_gmt":"2025-05-03T04:54:23","slug":"java%e6%80%8e%e4%b9%88%e6%8a%8a%e6%95%b0%e6%8d%ae%e5%ad%98%e5%88%b0%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65635\/","title":{"rendered":"java\u600e\u4e48\u628a\u6570\u636e\u5b58\u5230\u6570\u7ec4"},"content":{"rendered":"

\n java\u4e2d\u5c06\u6570\u636e\u5b58\u50a8\u5230\u6570\u7ec4\u7684\u65b9\u6cd5\u6709\uff1a1.\u58f0\u660e\u6570\u7ec4;2.\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20;3.\u521d\u59cb\u5316\u6570\u7ec4;4.\u904d\u5386\u6570\u7ec4;5.\u4f7f\u7528arrays\u7c7b\u3002\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u628a\u6570\u636e\u5b58\u5230\u6570\u7ec4\u63d2\u56fe\"<\/p>\n

Java \u4e2d\u5c06\u6570\u636e\u5b58\u50a8\u5230\u6570\u7ec4<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u5c06\u6570\u636e\u5b58\u50a8\u5230\u6570\u7ec4\u4e2d\uff1a<\/p>\n

1. \u58f0\u660e\u6570\u7ec4<\/strong><\/p>\n

\u9996\u5148\uff0c\u4f7f\u7528\u6307\u5b9a\u6570\u636e\u7c7b\u578b\u7684 [] \u8bed\u6cd5\u58f0\u660e\u4e00\u4e2a\u6570\u7ec4\uff1a<\/p>\n

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

int[] myArray = new int[5];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8fd9\u5c06\u521b\u5efa\u4e00\u4e2a\u5305\u542b 5 \u4e2a int \u7c7b\u578b\u5143\u7d20\u7684\u6570\u7ec4\u3002<\/p>\n
2. \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20<\/strong><\/p>\n
\u53ef\u4ee5\u4f7f\u7528\u65b9\u62ec\u53f7 [] \u8fd0\u7b97\u7b26\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u7279\u5b9a\u5143\u7d20\uff1a<\/p>\n
myArray[0] = 10; \/\/ \u5c06\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u503c\u8bbe\u4e3a 10<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
3. \u521d\u59cb\u5316\u6570\u7ec4<\/strong><\/p>\n
\u58f0\u660e\u6570\u7ec4\u65f6\uff0c\u8fd8\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u6570\u7ec4\u521d\u59cb\u5316\u5668\u5bf9\u5176\u5143\u7d20\u8fdb\u884c\u521d\u59cb\u5316\uff1a<\/p>\n
int[] myArray = {10, 20, 30, 40, 50};<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
4. \u904d\u5386\u6570\u7ec4<\/strong><\/p>\n
\u53ef\u4ee5\u4f7f\u7528 for-each \u5faa\u73af\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1a<\/p>\n
for (int element : myArray) {\n  System.out.println(element);\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
5. \u4f7f\u7528 Arrays \u7c7b<\/strong><\/p>\n
Java \u7684 Arrays \u7c7b\u63d0\u4f9b\u4e86\u8bb8\u591a\u6709\u7528\u7684\u65b9\u6cd5\u6765\u64cd\u4f5c\u6570\u7ec4\uff0c\u4f8b\u5982\u6392\u5e8f\u3001\u641c\u7d22\u548c\u590d\u5236\uff1a<\/p>\n
Arrays.sort(myArray); \/\/ \u5bf9\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\nint index = Arrays.binarySearch(myArray, 20); \/\/ \u67e5\u627e\u5143\u7d20 20 \u7684\u7d22\u5f15<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u793a\u4f8b\u4ee3\u7801<\/strong><\/p>\n
\u4ee5\u4e0b\u793a\u4f8b\u4ee3\u7801\u6f14\u793a\u4e86\u5982\u4f55\u5c06\u6570\u636e\u5b58\u50a8\u5230\u6570\u7ec4\u5e76\u8bbf\u95ee\u5176\u4e2d\u5305\u542b\u7684\u6570\u636e\uff1a<\/p>\n
public class ArrayExample {\n\n    public static void main(String[] args) {\n        int[] myArray = {1, 2, 3, 4, 5};\n\n        \/\/ \u8bbf\u95ee\u6570\u7ec4\u7684\u7b2c\u4e8c\u4e2a\u5143\u7d20\n        System.out.println(myArray[1]); \/\/ \u8f93\u51fa\uff1a2\n\n        \/\/ \u4fee\u6539\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\n        myArray[0] = 10;\n\n        \/\/ \u904d\u5386\u6570\u7ec4\u5e76\u6253\u5370\u6bcf\u4e2a\u5143\u7d20\n        for (int element : myArray) {\n            System.out.println(element);\n        }\n    }\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u628a\u6570\u636e\u5b58\u5230\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\u5c06\u6570\u636e\u5b58\u50a8\u5230\u6570\u7ec4\u7684\u65b9\u6cd5\u6709\uff1a1.\u58f0\u660e\u6570\u7ec4;2.\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20;3.\u521d\u59cb\u5316\u6570\u7ec4;4.\u904d\u5386\u6570\u7ec4;5.\u4f7f\u7528arrays\u7c7b\u3002 Java \u4e2d\u5c06\u6570\u636e\u5b58\u50a8\u5230\u6570\u7ec4 \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u5c06\u6570\u636e\u5b58\u50a8\u5230\u6570\u7ec4\u4e2d\uff1a 1. \u58f0\u660e\u6570\u7ec4 \u9996\u5148\uff0c\u4f7f\u7528\u6307\u5b9a\u6570\u636e\u7c7b\u578b\u7684 [] \u8bed\u6cd5\u58f0\u660e\u4e00\u4e2a\u6570\u7ec4\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] myArray = new int[5]; \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u5c06\u521b\u5efa\u4e00\u4e2a\u5305\u542b 5 \u4e2a int \u7c7b\u578b\u5143\u7d20\u7684\u6570\u7ec4\u3002 2. \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20 \u53ef\u4ee5\u4f7f\u7528\u65b9\u62ec\u53f7 [] \u8fd0\u7b97\u7b26\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u7279\u5b9a\u5143\u7d20\uff1a myArray[0] = 10; \/\/ \u5c06\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u503c\u8bbe\u4e3a 10 \u767b\u5f55\u540e\u590d\u5236 3. \u521d\u59cb\u5316\u6570\u7ec4 \u58f0\u660e\u6570\u7ec4\u65f6\uff0c\u8fd8\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u6570\u7ec4\u521d\u59cb\u5316\u5668\u5bf9\u5176\u5143\u7d20\u8fdb\u884c\u521d\u59cb\u5316\uff1a int[] myArray = {10, 20, 30, 40, 50}; \u767b\u5f55\u540e\u590d\u5236 4. \u904d\u5386\u6570\u7ec4 \u53ef\u4ee5\u4f7f\u7528 for-each \u5faa\u73af\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1a for (int element […]<\/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-65635","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65635","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=65635"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65635\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65635"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65635"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65635"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}