{"id":65279,"date":"2025-05-03T09:08:55","date_gmt":"2025-05-03T01:08:55","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65279\/"},"modified":"2025-05-03T09:08:55","modified_gmt":"2025-05-03T01:08:55","slug":"java%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e8%8e%b7%e5%8f%96%e6%95%b0%e7%bb%84%e7%9a%84%e5%80%bc-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65279\/","title":{"rendered":"java\u6570\u7ec4\u600e\u4e48\u83b7\u53d6\u6570\u7ec4\u7684\u503c"},"content":{"rendered":"<blockquote><p>\n  \u5982\u679c\u60a8\u8981\u83b7\u53d6 java \u6570\u7ec4\u4e2d\u7684\u503c\uff0c\u4ee5\u4e0b\u662f\u56db\u79cd\u65b9\u6cd5\uff1a\u76f4\u63a5\u5f15\u7528\u6570\u7ec4\u5143\u7d20\u3002\u4f7f\u7528\u4e0b\u6807\u8fd0\u7b97\u7b26 []\u3002\u4f7f\u7528\u589e\u5f3a for \u5faa\u73af\u3002\u4f7f\u7528 arrays.tostring() \u65b9\u6cd5\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/12\/2024111216272632306.jpg\" class=\"aligncenter\" title=\"java\u6570\u7ec4\u600e\u4e48\u83b7\u53d6\u6570\u7ec4\u7684\u503c\u63d2\u56fe\" alt=\"java\u6570\u7ec4\u600e\u4e48\u83b7\u53d6\u6570\u7ec4\u7684\u503c\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5728 Java \u4e2d\u83b7\u53d6\u6570\u7ec4\u7684\u503c<\/strong><\/p>\n<p><strong>\u76f4\u63a5\u5f15\u7528\u6570\u7ec4\u5143\u7d20<\/strong><\/p>\n<p>\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u662f\u76f4\u63a5\u5f15\u7528\u6570\u7ec4\u4e2d\u7684\u67d0\u4e2a\u5143\u7d20\uff0c\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};\nint firstNumber = numbers[0]; \/\/ \u83b7\u53d6\u6570\u7ec4\u4e2d\u7b2c\u4e00\u4e2a\u5143\u7d20<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f7f\u7528\u4e0b\u6807\u8fd0\u7b97\u7b26<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p>\u8fd8\u53ef\u4ee5\u4f7f\u7528\u4e0b\u6807\u8fd0\u7b97\u7b26 ([]) \u83b7\u53d6\u6570\u7ec4\u5143\u7d20\u7684\u503c\uff0c\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};\nint lastNumber = numbers[numbers.length - 1]; \/\/ \u83b7\u53d6\u6570\u7ec4\u4e2d\u6700\u540e\u4e00\u4e2a\u5143\u7d20<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f7f\u7528\u589e\u5f3a for \u5faa\u73af<\/strong><\/p>\n<p>\u589e\u5f3a for \u5faa\u73af\u53ef\u4ee5\u65b9\u4fbf\u5730\u904d\u5386\u6570\u7ec4\u5e76\u83b7\u53d6\u6bcf\u4e2a\u5143\u7d20\u7684\u503c\uff0c\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};\nfor (int number : numbers) {\n  System.out.println(number); \/\/ \u6253\u5370\u6bcf\u4e2a\u5143\u7d20\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f7f\u7528 Arrays.toString() \u65b9\u6cd5<\/strong><\/p>\n<p>Arrays.toString() \u65b9\u6cd5\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff0c\u5b57\u7b26\u4e32\u5305\u542b\u6570\u7ec4\u4e2d\u6240\u6709\u5143\u7d20\u7684\u503c\uff0c\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};\nString numbersAsString = Arrays.toString(numbers); \/\/ \u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff1a[1, 2, 3, 4, 5]<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u6570\u7ec4\u600e\u4e48\u83b7\u53d6\u6570\u7ec4\u7684\u503c\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u679c\u60a8\u8981\u83b7\u53d6 java \u6570\u7ec4\u4e2d\u7684\u503c\uff0c\u4ee5\u4e0b\u662f\u56db\u79cd\u65b9\u6cd5\uff1a\u76f4\u63a5\u5f15\u7528\u6570\u7ec4\u5143\u7d20\u3002\u4f7f\u7528\u4e0b\u6807\u8fd0\u7b97\u7b26 []\u3002\u4f7f\u7528\u589e\u5f3a for \u5faa\u73af\u3002\u4f7f\u7528 arrays.tostring() \u65b9\u6cd5\u3002 \u5982\u4f55\u5728 Java \u4e2d\u83b7\u53d6\u6570\u7ec4\u7684\u503c \u76f4\u63a5\u5f15\u7528\u6570\u7ec4\u5143\u7d20 \u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u662f\u76f4\u63a5\u5f15\u7528\u6570\u7ec4\u4e2d\u7684\u67d0\u4e2a\u5143\u7d20\uff0c\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a int[] numbers = {1, 2, 3, 4, 5}; int firstNumber = numbers[0]; \/\/ \u83b7\u53d6\u6570\u7ec4\u4e2d\u7b2c\u4e00\u4e2a\u5143\u7d20 \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528\u4e0b\u6807\u8fd0\u7b97\u7b26 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u8fd8\u53ef\u4ee5\u4f7f\u7528\u4e0b\u6807\u8fd0\u7b97\u7b26 ([]) \u83b7\u53d6\u6570\u7ec4\u5143\u7d20\u7684\u503c\uff0c\u8bed\u6cd5\u5982\u4e0b\uff1a int[] numbers = {1, 2, 3, 4, 5}; int lastNumber = numbers[numbers.length &#8211; 1]; \/\/ \u83b7\u53d6\u6570\u7ec4\u4e2d\u6700\u540e\u4e00\u4e2a\u5143\u7d20 \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528\u589e\u5f3a for \u5faa\u73af \u589e\u5f3a for [&hellip;]<\/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-65279","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65279","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=65279"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65279\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65279"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65279"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65279"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}