Java split() 方法详解：字符串分割利器

Java\u7684split()\u65b9\u6cd5\u662f\u7528\u4e8e\u5c06\u5b57\u7b26\u4e32\u6839\u636e\u6307\u5b9a\u7684\u5206\u9694\u7b26\u8fdb\u884c\u62c6\u5206\u6210\u5b57\u7b26\u4e32\u6570\u7ec4\u7684\u65b9\u6cd5\u3002\n\nsplit()\u65b9\u6cd5\u7684\u8bed\u6cd5\u4e3a\uff1apublic String[] split(String regex)\n\n\u5728\u8fd9\u91cc\uff0cregex\u53c2\u6570\u662f\u4e00\u4e2a\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u7528\u4e8e\u6307\u5b9a\u5206\u9694\u7b26\u3002\u5982\u679c\u60f3\u8981\u4f7f\u7528\u7279\u6b8a\u5b57\u7b26\u4f5c\u4e3a\u5206\u9694\u7b26\uff0c\u9700\u8981\u4f7f\u7528\u8f6c\u5316\u5b57\u7b26\u8fdb\u884c\u8f6c\u5316\u3002\n\nsplit()\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\uff0c\u6570\u7ec4\u7684\u5143\u7d20\u662f\u539f\u59cb\u5b57\u7b26\u4e32\u6839\u636e\u5206\u9694\u7b26\u62c6\u5206\u540e\u5f97\u5230\u7684\u591a\u4e2a\u5b50\u5b57\u7b26\u4e32\u3002\n\n\u4ee5\u4e0b\u662fsplit()\u65b9\u6cd5\u7684\u793a\u4f8b\u7528\u6cd5\uff1a\n\njava\nString str = \'Hello,World\';\nString[] arr = str.split(\',\'); // \u4f7f\u7528\u9017\u53f7\u4f5c\u4e3a\u5206\u9694\u7b26\nSystem.out.println(arr[0]); // \u8f93\u51fa\uff1aHello\nSystem.out.println(arr[1]); // \u8f93\u51fa\uff1aWorld\n\nString str2 = \'apple,banana,grape\';\nString[] arr2 = str2.split(\',\'); // \u4f7f\u7528\u9017\u53f7\u4f5c\u4e3a\u5206\u9694\u7b26\nfor (String fruit : arr2) {\n System.out.println(fruit);\n}\n// \u8f93\u51fa\uff1a\n// apple\n// banana\n// grape\n\n\n\u6ce8\u610f\uff0c\u5982\u679c\u539f\u59cb\u5b57\u7b26\u4e32\u4e2d\u4e0d\u5b58\u5728\u5206\u9694\u7b26\uff0csplit()\u65b9\u6cd5\u4f1a\u8fd4\u56de\u5305\u542b\u539f\u59cb\u5b57\u7b26\u4e32\u7684\u5355\u4e2a\u5143\u7d20\u7684\u5b57\u7b26\u4e32\u6570\u7ec4\u3002