package DEMO01; import java.util.Scanner; public class Demo1 { public static void main(String[] args) { Scanner sc = new Scanner(System.in); System.out.println("请输入一句话,如果包含wqnmlgb,ndy,dsb等字符,将会被和谐"); String word = sc.next(); //获取用户输入 //创建关键字和谐数组 String[] strings = {"wqnmlgb", "ndy", "dsb"}; //遍历数组,判断用户输入是否包含关键字 for (int i = 0; i < strings.length; i++) { //如果包含关键字,就用星号替换掉 if (word.contains(strings[i])) { word = word.replace(strings[i], "*****"); } } System.out.println("你输入的是: " + word); } }