How to check if a String is balanced?

Question

I want to test if an input String is balanced. It would be balanced if there is a matching opening and closing parenthesis, bracket or brace.

example:
{} bal         


        

Answer 1

import java.util.*;
public class Parenthesis
{
    public static void main (String ...argd)
    {
        Scanner sc=new Scanner(System.in);
        System.out.println("enetr string");
        String s=sc.nextLine();
        Stack st=new Stack();  
        for (int i=0;i