问从string - java中删除字符串中的数目为偶数对的字符重复出现的字符

EN

    package evenpairornot;

import java.util.Scanner;
public class EvenPairOrNot {
static Scanner input = new Scanner(System.in);
public static void main(String[] args) {

    System.out.print("Enter a string: ");
    String s1=input.nextLine();

    EvenPairs(s1);
}

public static void EvenPairs(String s){

    char [] chs=s.toCharArray();
    int count=0;

    for (int i = 0; i <chs.length; i++) {
        for (int j = 0; j <chs.length; j++) {
            if (chs[i]==chs[j]){
                count++; 
            }    
        } 

        if(count%2==0)
            System.out.println(s.charAt(i)+"- true");
            else
            System.out.println(s.charAt(i)+"- False");

        count=0; 
    }

}