{"id":37078,"date":"2024-11-26T09:56:59","date_gmt":"2024-11-26T01:56:59","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37078\/"},"modified":"2024-11-26T09:56:59","modified_gmt":"2024-11-26T01:56:59","slug":"java-%e5%ad%97%e7%ac%a6%e4%b8%b2%e6%80%8e%e4%b9%88%e8%bd%ac%e6%95%b0%e7%bb%84%e5%af%b9%e8%b1%a1%e6%95%b0%e7%bb%84%e5%af%b9%e8%b1%a1%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37078\/","title":{"rendered":"java \u5b57\u7b26\u4e32\u600e\u4e48\u8f6c\u6570\u7ec4\u5bf9\u8c61\u6570\u7ec4\u5bf9\u8c61\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  java \u4e2d\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6570\u7ec4\u7684\u65b9\u6cd5\u6709\u56db\u79cd\uff1a1\u3001\u5b57\u7b26\u6570\u7ec4\uff1a\u4f7f\u7528 string#tochararray() \u65b9\u6cd5\u30022\u3001\u5b57\u7b26\u4e32\u6570\u7ec4\uff1a\u4f7f\u7528 string#split() \u65b9\u6cd5\u30023\u3001\u5bf9\u8c61\u6570\u7ec4\uff1a\u4f7f\u7528 arrays#aslist() \u65b9\u6cd5\u30024\u3001\u57fa\u672c\u7c7b\u578b\u6570\u7ec4\uff1a\u4f7f\u7528 string#split() \u65b9\u6cd5\u548c\u7279\u5b9a\u89e3\u6790\u65b9\u6cd5\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111300512994012.jpg\" class=\"aligncenter\" title=\"java \u5b57\u7b26\u4e32\u600e\u4e48\u8f6c\u6570\u7ec4\u5bf9\u8c61\u6570\u7ec4\u5bf9\u8c61\u6570\u7ec4\u63d2\u56fe\" alt=\"java \u5b57\u7b26\u4e32\u600e\u4e48\u8f6c\u6570\u7ec4\u5bf9\u8c61\u6570\u7ec4\u5bf9\u8c61\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6570\u7ec4<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u6709\u51e0\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6570\u7ec4\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u60a8\u60f3\u8981\u7684\u7ed3\u679c\u7c7b\u578b\u3002<\/p>\n<p><strong>\u4e00\u3001\u5b57\u7b26\u6570\u7ec4<\/strong><\/p>\n<ul>\n<li>\n<p><strong>\u4f7f\u7528 String#toCharArray() \u65b9\u6cd5\uff1a<\/strong>\u6b64\u65b9\u6cd5\u8fd4\u56de\u5b57\u7b26\u4e32\u4e2d\u7684\u6240\u6709\u5b57\u7b26\u6784\u6210\u7684\u5b57\u7b26\u6570\u7ec4\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>String str = \"Hello\";\nchar[] charArray = str.toCharArray();  \/\/ ['H', 'e', 'l', 'l', 'o']<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/li>\n<\/ul>\n<p><strong>\u4e8c\u3001<\/strong><\/p>\n<ul>\n<li>\n<p><strong>\u4f7f\u7528 String#split() \u65b9\u6cd5\uff1a<\/strong>\u6b64\u65b9\u6cd5\u6839\u636e\u7ed9\u5b9a\u7684\u5206\u9694\u7b26\u5c06\u5b57\u7b26\u4e32\u62c6\u5206\u4e3a\u5b57\u7b26\u4e32\u6570\u7ec4\u3002<\/p>\n<pre>String str = \"Java,Python,C++\";\nString[] stringArray = str.split(\",\");  \/\/ [\"Java\", \"Python\", \"C++\"]<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/li>\n<\/ul>\n<p><strong>\u4e09\u3001\u5bf9\u8c61\u6570\u7ec4<\/strong><\/p>\n<ul>\n<li>\n<p><strong>\u4f7f\u7528 Arrays#asList() \u65b9\u6cd5\uff1a<\/strong>\u6b64\u65b9\u6cd5\u5c06\u5b57\u7b26\u4e32\u6570\u7ec4\u5305\u88c5\u6210 List\uff0c\u7136\u540e\u53ef\u4ee5\u5c06\u5176\u8f6c\u6362\u4e3a Object[] \u6570\u7ec4\u3002<\/p>\n<pre>String[] stringArray = {\"Java\", \"Python\", \"C++\"};\nObject[] objectArray = Arrays.asList(stringArray).toArray();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/li>\n<\/ul>\n<p><strong>\u56db\u3001\u57fa\u672c\u7c7b\u578b\u6570\u7ec4\uff08int[]\u3001double[] \u7b49\uff09<\/strong><\/p>\n<p>\u8981\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u57fa\u672c\u7c7b\u578b\u6570\u7ec4\uff0c\u9700\u8981\u5148\u4f7f\u7528 String#split() \u65b9\u6cd5\u83b7\u53d6\u5b57\u7b26\u4e32\u6570\u7ec4\uff0c\u7136\u540e\u4f7f\u7528\u7279\u5b9a\u65b9\u6cd5\u5bf9\u5176\u8fdb\u884c\u89e3\u6790\u3002\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\n<p><strong>int[] \u6570\u7ec4\uff1a<\/strong><\/p>\n<pre>String str = \"1,2,3,4,5\";\nString[] intArray = str.split(\",\");\nint[] intPrimitiveArray = new int[intArray.length];\nfor (int i = 0; i &lt; intArray.length; i++) {\n  intPrimitiveArray[i] = Integer.parseInt(intArray[i]);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/li>\n<li>\n<p><strong>double[] \u6570\u7ec4\uff1a<\/strong><\/p>\n<pre>String str = \"1.2,2.3,3.4,4.5,5.6\";\nString[] doubleArray = str.split(\",\");\ndouble[] doublePrimitiveArray = new double[doubleArray.length];\nfor (int i = 0; i &lt; doubleArray.length; i++) {\n  doublePrimitiveArray[i] = Double.parseDouble(doubleArray[i]);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava \u5b57\u7b26\u4e32\u600e\u4e48\u8f6c\u6570\u7ec4\u5bf9\u8c61\u6570\u7ec4\u5bf9\u8c61\u6570\u7ec4\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\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6570\u7ec4\u7684\u65b9\u6cd5\u6709\u56db\u79cd\uff1a1\u3001\u5b57\u7b26\u6570\u7ec4\uff1a\u4f7f\u7528 string#tochararray() \u65b9\u6cd5\u30022\u3001\u5b57\u7b26\u4e32\u6570\u7ec4\uff1a\u4f7f\u7528 string#split() \u65b9\u6cd5\u30023\u3001\u5bf9\u8c61\u6570\u7ec4\uff1a\u4f7f\u7528 arrays#aslist() \u65b9\u6cd5\u30024\u3001\u57fa\u672c\u7c7b\u578b\u6570\u7ec4\uff1a\u4f7f\u7528 string#split() \u65b9\u6cd5\u548c\u7279\u5b9a\u89e3\u6790\u65b9\u6cd5\u3002 Java \u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6570\u7ec4 \u5728 Java \u4e2d\uff0c\u6709\u51e0\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6570\u7ec4\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u60a8\u60f3\u8981\u7684\u7ed3\u679c\u7c7b\u578b\u3002 \u4e00\u3001\u5b57\u7b26\u6570\u7ec4 \u4f7f\u7528 String#toCharArray() \u65b9\u6cd5\uff1a\u6b64\u65b9\u6cd5\u8fd4\u56de\u5b57\u7b26\u4e32\u4e2d\u7684\u6240\u6709\u5b57\u7b26\u6784\u6210\u7684\u5b57\u7b26\u6570\u7ec4\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b String str = &#8220;Hello&#8221;; char[] charArray = str.toCharArray(); \/\/ [&#8216;H&#8217;, &#8216;e&#8217;, &#8216;l&#8217;, &#8216;l&#8217;, &#8216;o&#8217;] \u767b\u5f55\u540e\u590d\u5236 \u4e8c\u3001 \u4f7f\u7528 String#split() \u65b9\u6cd5\uff1a\u6b64\u65b9\u6cd5\u6839\u636e\u7ed9\u5b9a\u7684\u5206\u9694\u7b26\u5c06\u5b57\u7b26\u4e32\u62c6\u5206\u4e3a\u5b57\u7b26\u4e32\u6570\u7ec4\u3002 String str = &#8220;Java,Python,C++&#8221;; String[] stringArray = str.split(&#8220;,&#8221;); \/\/ [&#8220;Java&#8221;, &#8220;Python&#8221;, &#8220;C++&#8221;] \u767b\u5f55\u540e\u590d\u5236 \u4e09\u3001\u5bf9\u8c61\u6570\u7ec4 \u4f7f\u7528 Arrays#asList() [&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-37078","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37078","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=37078"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37078\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37078"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37078"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37078"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}