public class Gess {public static void main(String[] args) throws Exception {String str = new String("abc,de=f,ghi,gkl");String newstr [] = str.split(",");                //使用split()方法对字符串进行拆分，返回字符串数组for (int i = 0; i < newstr.length; i++) {        //使用for循环遍历数组System.out.println(newstr[i]);                //输出信息
        }System.out.println("================================");String newstr1 [] = str.split(",|=");                //使用split()方法对字符串进行拆分，返回字符串数组for (int i = 0; i < newstr1.length; i++) {        //使用for循环遍历数组System.out.println(newstr1[i]);                //输出信息
        }System.out.println("================================");//对字符串进行拆分，并限定拆分次数，返回字符数组String[] newstr2 = str.split(",", 2);for (int i = 0; i < newstr2.length; i++) {System.out.println(newstr2[i]);}System.out.println("================================");String[] newstr3 = str.split(",", 0);for (int i = 0; i < newstr3.length; i++) {System.out.println(newstr3[i]);}System.out.println("================================");String[] newstr4 = str.split(",", -2);for (int i = 0; i < newstr4.length; i++) {System.out.println(newstr4[i]);}System.out.println("================================");String[] newstr5 = str.split(",", 5);for (int i = 0; i < newstr5.length; i++) {System.out.println(newstr5[i]);}}}

abc
de=f
ghi
gkl
================================
abc
de
f
ghi
gkl
================================
abc
de=f,ghi,gkl
================================
abc
de=f
ghi
gkl
================================
abc
de=f
ghi
gkl
================================
abc
de=f
ghi
gkl