暴力破解,直接采用contains函数
import java.util.*; public class Main{ public static void main(String [] args){ getStringAppear(); } public static void getStringAppear(){ Scanner scan = new Scanner(System.in); while(scan.hasNext()){ String str1 = scan.nextLine(); String str2 = scan.nextLine(); boolean falg = true; for(int i = 0; i < str1.length(); i++){ String temp = str1.charAt(i) + ""; if(!str2.contains(temp)){ falg = false; } } if(falg){ System.out.println("true"); }else{ System.out.println("false"); } } } }