{"id":65756,"date":"2025-05-03T14:41:52","date_gmt":"2025-05-03T06:41:52","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65756\/"},"modified":"2025-05-03T14:41:52","modified_gmt":"2025-05-03T06:41:52","slug":"java%e4%b8%ad%e6%80%8e%e4%b9%88%e8%be%93%e5%87%bastring%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65756\/","title":{"rendered":"java\u4e2d\u600e\u4e48\u8f93\u51faString\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  \u8f93\u51fa java \u4e2d\u7684 string \u6570\u7ec4\u7684\u65b9\u6cd5\u6709\u56db\u79cd\uff1a\u76f4\u63a5\u4f7f\u7528 system.out.println()\u3001\u4f7f\u7528 arrays.tostring()\u3001\u4f7f\u7528 for-each \u5faa\u73af\u548c\u4f7f\u7528 stream api\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111309185423645.jpg\" class=\"aligncenter\" title=\"java\u4e2d\u600e\u4e48\u8f93\u51faString\u6570\u7ec4\u63d2\u56fe\" alt=\"java\u4e2d\u600e\u4e48\u8f93\u51faString\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u8f93\u51fa Java \u4e2d\u7684 String \u6570\u7ec4<\/strong><\/p>\n<p>\u8981\u8f93\u51fa Java \u4e2d\u7684 String \u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n<p><strong>1. \u4f7f\u7528 System.out.println()<\/strong><\/p>\n<p>\u8fd9\u662f\u6700\u7b80\u5355\u7684\u65b9\u6cd5\uff0c\u5b83\u76f4\u63a5\u5c06\u6570\u7ec4\u5185\u5bb9\u6253\u5370\u5230\u63a7\u5236\u53f0\u4e2d\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>String[] arr = {\"Java\", \"Python\", \"C++\"};\nSystem.out.println(arr); \/\/ \u8f93\u51fa\uff1a[Ljava.lang.String;@46da957d<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4f46\u662f\uff0c\u8fd9\u79cd\u65b9\u6cd5\u8f93\u51fa\u7684\u662f\u6570\u7ec4\u5bf9\u8c61\u7684\u5f15\u7528\uff0c\u800c\u4e0d\u662f\u5b9e\u9645\u7684\u5185\u5bb9\u3002<\/p>\n<p><strong>2. \u4f7f\u7528 Arrays.toString()<\/strong><\/p>\n<p>Arrays.toString() \u65b9\u6cd5\u8fd4\u56de\u6570\u7ec4\u5185\u5bb9\u7684 String \u8868\u793a\u5f62\u5f0f\u3002<\/p>\n<pre>System.out.println(Arrays.toString(arr)); \/\/ \u8f93\u51fa\uff1a[Java, Python, C++]<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u4f7f\u7528 for-each \u5faa\u73af<\/strong><\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528 for-each \u5faa\u73af\u904d\u5386\u6570\u7ec4\u5e76\u6253\u5370\u6bcf\u4e2a\u5143\u7d20\u3002<\/p>\n<pre>for (String s : arr) {\n    System.out.println(s);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>4. \u4f7f\u7528 Stream API<\/strong><\/p>\n<p>Java 8 \u4e2d\u7684 Stream API \u63d0\u4f9b\u4e86\u4e00\u79cd\u66f4\u73b0\u4ee3\u7684\u65b9\u6cd5\u6765\u8f93\u51fa\u6570\u7ec4\u3002<\/p>\n<pre>Arrays.stream(arr).forEach(System.out::println);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u600e\u4e48\u8f93\u51faString\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":"<p>\u8f93\u51fa java \u4e2d\u7684 string \u6570\u7ec4\u7684\u65b9\u6cd5\u6709\u56db\u79cd\uff1a\u76f4\u63a5\u4f7f\u7528 system.out.println()\u3001\u4f7f\u7528 arrays.tostring()\u3001\u4f7f\u7528 for-each \u5faa\u73af\u548c\u4f7f\u7528 stream api\u3002 \u5982\u4f55\u8f93\u51fa Java \u4e2d\u7684 String \u6570\u7ec4 \u8981\u8f93\u51fa Java \u4e2d\u7684 String \u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a 1. \u4f7f\u7528 System.out.println() \u8fd9\u662f\u6700\u7b80\u5355\u7684\u65b9\u6cd5\uff0c\u5b83\u76f4\u63a5\u5c06\u6570\u7ec4\u5185\u5bb9\u6253\u5370\u5230\u63a7\u5236\u53f0\u4e2d\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b String[] arr = {&#8220;Java&#8221;, &#8220;Python&#8221;, &#8220;C++&#8221;}; System.out.println(arr); \/\/ \u8f93\u51fa\uff1a[Ljava.lang.String;@46da957d \u767b\u5f55\u540e\u590d\u5236 \u4f46\u662f\uff0c\u8fd9\u79cd\u65b9\u6cd5\u8f93\u51fa\u7684\u662f\u6570\u7ec4\u5bf9\u8c61\u7684\u5f15\u7528\uff0c\u800c\u4e0d\u662f\u5b9e\u9645\u7684\u5185\u5bb9\u3002 2. \u4f7f\u7528 Arrays.toString() Arrays.toString() \u65b9\u6cd5\u8fd4\u56de\u6570\u7ec4\u5185\u5bb9\u7684 String \u8868\u793a\u5f62\u5f0f\u3002 System.out.println(Arrays.toString(arr)); \/\/ \u8f93\u51fa\uff1a[Java, Python, C++] \u767b\u5f55\u540e\u590d\u5236 3. \u4f7f\u7528 for-each \u5faa\u73af \u53ef\u4ee5\u4f7f\u7528 [&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-65756","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65756","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=65756"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65756\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65756"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65756"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65756"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}