{"id":37851,"date":"2024-11-26T16:44:16","date_gmt":"2024-11-26T08:44:16","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37851\/"},"modified":"2024-11-26T16:44:16","modified_gmt":"2024-11-26T08:44:16","slug":"java%e4%b8%ad%e6%95%b0%e7%bb%84%e6%98%af%e6%80%8e%e4%b9%88%e6%89%93%e5%8d%b0%e7%9a%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37851\/","title":{"rendered":"java\u4e2d\u6570\u7ec4\u662f\u600e\u4e48\u6253\u5370\u7684"},"content":{"rendered":"<blockquote><p>\n  java \u4e2d\u6709\u56db\u79cd\u6253\u5370\u6570\u7ec4\u7684\u65b9\u6cd5\uff1a1. system.out.println() \u6253\u5370\u6574\u4e2a\u6570\u7ec4\uff1b2. arrays.tostring() \u8fd4\u56de\u5b57\u7b26\u4e32\u8868\u793a\u5f62\u5f0f\uff1b3. \u8fed\u4ee3\u5668\u9010\u4e2a\u904d\u5386\u5143\u7d20\uff1b4. foreach() \u4f7f\u7528 lambda \u8868\u8fbe\u5f0f\u7b80\u6d01\u904d\u5386\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111311545811396.jpg\" class=\"aligncenter\" title=\"java\u4e2d\u6570\u7ec4\u662f\u600e\u4e48\u6253\u5370\u7684\u63d2\u56fe\" alt=\"java\u4e2d\u6570\u7ec4\u662f\u600e\u4e48\u6253\u5370\u7684\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u4e2d\u6570\u7ec4\u7684\u6253\u5370<\/strong><\/p>\n<p>Java \u4e2d\u6709\u591a\u79cd\u65b9\u6cd5\u53ef\u4ee5\u6253\u5370\u6570\u7ec4\uff1a<\/p>\n<p><strong>1. \u4f7f\u7528 System.out.println()<\/strong><\/p>\n<ul>\n<li>\u8fd9\u662f\u6700\u7b80\u5355\u7684\u65b9\u6cd5\uff0c\u4e00\u6b21\u6253\u5370\u6574\u4e2a\u6570\u7ec4\u3002<\/li>\n<li>\u8bed\u6cd5\uff1aSystem.out.println(arrayName);<\/li>\n<\/ul>\n<p><strong>2. \u4f7f\u7528 Arrays.toString()<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<ul>\n<li>\u8fd4\u56de\u6570\u7ec4\u5143\u7d20\u7684\u5b57\u7b26\u4e32\u8868\u793a\u5f62\u5f0f\u3002<\/li>\n<li>\u8bed\u6cd5\uff1aArrays.toString(arrayName);<\/li>\n<\/ul>\n<p><strong>3. \u4f7f\u7528\u8fed\u4ee3\u5668<\/strong><\/p>\n<ul>\n<li>\u5141\u8bb8\u9010\u4e2a\u5143\u7d20\u5730\u904d\u5386\u6570\u7ec4\u3002<\/li>\n<li>\n<p>\u8bed\u6cd5\uff1a<\/p>\n<pre>for (int i = 0; i &lt; arrayName.length; i++) {\n  System.out.println(arrayName[i]);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/li>\n<\/ul>\n<p><strong>4. \u4f7f\u7528 Java 8 \u7684 forEach()<\/strong><\/p>\n<ul>\n<li>\u7c7b\u4f3c\u4e8e\u8fed\u4ee3\u5668\uff0c\u4f46\u4f7f\u7528 Lambda \u8868\u8fbe\u5f0f\u66f4\u7b80\u6d01\u3002<\/li>\n<li>\u8bed\u6cd5\uff1aArrays.stream(arrayName).forEach(System.out::println);<\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};\n\n\/\/ \u4f7f\u7528 System.out.println()\nSystem.out.println(numbers); \/\/ [1, 2, 3, 4, 5]\n\n\/\/ \u4f7f\u7528 Arrays.toString()\nString numbersString = Arrays.toString(numbers);\nSystem.out.println(numbersString); \/\/ [1, 2, 3, 4, 5]\n\n\/\/ \u4f7f\u7528\u8fed\u4ee3\u5668\nfor (int number : numbers) {\n    System.out.println(number); \/\/ 1, 2, 3, 4, 5\n}\n\n\/\/ \u4f7f\u7528 forEach()\nArrays.stream(numbers).forEach(System.out::println); \/\/ 1, 2, 3, 4, 5<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u6570\u7ec4\u662f\u600e\u4e48\u6253\u5370\u7684\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":"<p>java \u4e2d\u6709\u56db\u79cd\u6253\u5370\u6570\u7ec4\u7684\u65b9\u6cd5\uff1a1. system.out.println() \u6253\u5370\u6574\u4e2a\u6570\u7ec4\uff1b2. arrays.tostring() \u8fd4\u56de\u5b57\u7b26\u4e32\u8868\u793a\u5f62\u5f0f\uff1b3. \u8fed\u4ee3\u5668\u9010\u4e2a\u904d\u5386\u5143\u7d20\uff1b4. foreach() \u4f7f\u7528 lambda \u8868\u8fbe\u5f0f\u7b80\u6d01\u904d\u5386\u3002 Java \u4e2d\u6570\u7ec4\u7684\u6253\u5370 Java \u4e2d\u6709\u591a\u79cd\u65b9\u6cd5\u53ef\u4ee5\u6253\u5370\u6570\u7ec4\uff1a 1. \u4f7f\u7528 System.out.println() \u8fd9\u662f\u6700\u7b80\u5355\u7684\u65b9\u6cd5\uff0c\u4e00\u6b21\u6253\u5370\u6574\u4e2a\u6570\u7ec4\u3002 \u8bed\u6cd5\uff1aSystem.out.println(arrayName); 2. \u4f7f\u7528 Arrays.toString() \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u8fd4\u56de\u6570\u7ec4\u5143\u7d20\u7684\u5b57\u7b26\u4e32\u8868\u793a\u5f62\u5f0f\u3002 \u8bed\u6cd5\uff1aArrays.toString(arrayName); 3. \u4f7f\u7528\u8fed\u4ee3\u5668 \u5141\u8bb8\u9010\u4e2a\u5143\u7d20\u5730\u904d\u5386\u6570\u7ec4\u3002 \u8bed\u6cd5\uff1a for (int i = 0; i &lt; arrayName.length; i++) { System.out.println(arrayName[i]); } \u767b\u5f55\u540e\u590d\u5236 4. \u4f7f\u7528 Java 8 \u7684 forEach() \u7c7b\u4f3c\u4e8e\u8fed\u4ee3\u5668\uff0c\u4f46\u4f7f\u7528 Lambda \u8868\u8fbe\u5f0f\u66f4\u7b80\u6d01\u3002 \u8bed\u6cd5\uff1aArrays.stream(arrayName).forEach(System.out::println); \u793a\u4f8b\uff1a int[] [&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-37851","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37851","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=37851"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37851\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37851"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37851"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37851"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}