JavaAPI

package daysreplace;public class ReplaceTest {public static void main(String[] args) {String str = "wwxhhhhhhhhhhh333";System.out.println("替换前的字符串" + str);String newstr = str.replace("333", "111");System.out.println("替换后的字符串" + newstr);}}

JavaAPI

package daysreplace;public class ReplaceTest {public static void main(String[] args) {String str = "wwxhhhhhhhhhhh333";System.out.println("替换前的字符串" + str);String newstr = str.replace("333", "111");System.out.println("替换后的字符串" + newstr);}}