字符串匹配（java）
字符串匹配
http://www.nowcoder.com/questionTerminal/22fdeb9610ef426f9505e3ab60164c93
import java.util.*;
public class Main{
public static void main(String[] args){
Scanner in = new Scanner(System.in);
while(in.hasNext()){
String s1 = in.next();
String s2 = in.next();
Set<Character> set = new HashSet<>();
char[] arr1 = s1.toCharArray();
char[] arr2 = s2.toCharArray();
for (char c : arr1){
set.add(c);
}
for (char c : arr2){
if (set.contains(c)) set.remove(c);
}
System.out.println(set.size() == 0);
}
}
}
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