BalancedDelimiters.java

import java.io.*;
import java.util.*;

public class Solution {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String demiliters = scanner.nextLine();
        System.out.println(isDelimitersBalanced(demiliters) ? "True" : "False");
        /* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution. */
    }
    
    public static boolean isDelimitersBalanced(String demiliters){
        if(demiliters.length() % 2 == 1){
            return false;
        }
        char[] delimitersChars = demiliters.toCharArray();
        int[] delimitersFrequency = new int[3];
        for(int i=0 ; i < delimitersChars.length ; i++){
            char delimiter = delimitersChars[i];
            if('(' == delimiter || ')' == delimiter){
                delimitersFrequency[0]++;
            }else if('{' == delimiter || '}' == delimiter){
                delimitersFrequency[1]++;
            }else if('[' == delimiter || ']' == delimiter){
                delimitersFrequency[2]++;
            }
        }

        boolean isDelimitersBalanced=true;
        for(int i=0 ; i < delimitersFrequency.length ; i++){
            if(delimitersFrequency[i] % 2 == 1){
                isDelimitersBalanced=false;
                break;
            }
        }
        
        return isDelimitersBalanced;
    }
}