Java 字符串分割

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<span style="font-size:18px;"><strong>Java  字符串分割的几种方法</strong></span>                /** * StringTokenizer 分割 *  * @param str * @param split * @param len *            分割后的数组长度 * @return */private static String[] tokenSplit(String str, String split, int len) {String[] arrs = new String[len];StringTokenizer token = new StringTokenizer(str, split);int i = 0;while (token.hasMoreElements()) {arrs[i] = token.nextToken();i++;}return arrs;}/** * 正则表达式 分割 *  * @param str * @param split * @return */private static String[] pattenrnSplit(String str, String split) {Pattern pat = Pattern.compile(split);String[] split2 = pat.split(str);return split2;}/** * split 分割 *  * @param str * @param split * @return */private static String[] StringSplit(String str, String split) {String[] strs = str.split(split);return strs;}/** * substring 分割 *  * @param str * @param split * @param splitNum *            <p> *            splitNum = split的个数 *            </p> * @return */private static String[] subStringSplit(String str, String split,int splitNum) {String[] arrs = new String[splitNum + 1];int index = 0;int k = 0;int i = 0;boolean isStr = true;while (isStr) {if (str.contains(split)) {if (split.equals(str.substring(i, i + 1))) {if (k == 0) {arrs[index] = str.substring(0, i);str = str.substring(i + 1, str.length());} else {arrs[index] = str.substring(0, k);str = str.substring(k + 1, str.length());}index++;k = i;i = 0;}} else {arrs[splitNum] = str;isStr = false;}i++;}return arrs;}
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