My Solution: import java.util.*; class Solution{ public static void main(String[] argh) { Scanner sc = new Scanner(System.in);
while (sc.hasNext()) { String input=sc.next(); //Complete the code //check if input string is balanced boolean isBalanced = isBalanced(input);

                    //Print the result true or false
        if(isBalanced)
        {
            System.out.println("true");
        }
        else
        {
        System.out.println("false");
        }

    }
    sc.close(); 
}
    // Method to check if a string containing parentheses, brackets, and braces is balanced

    public static boolean isBalanced(String s)
    {
                // Initialize a stack to hold opening symbols
        Stack<Character>stack = new Stack<>();

                    // Iterate through each character in the string
        for(char ch : s.toCharArray())
        {
                        // If the character is an opening symbol, push it onto the stack
            if(ch == '(' || ch == '{' || ch == '[')
            {
                stack.push(ch);
            }
                             // If the character is a closing symbol
            else if(ch == ')' || ch == '}' || ch == ']')
            {
                            // Check if the stack is empty
                if(stack.isEmpty())
                {
                    return false; // Unmatched closing symbol
                }
                                    // Pop the top element from the stack
                char top = stack.pop();
                                     // Check if the top element matches the closing symbol
                if(!isMatchingPair(top, ch))
                {
                    return false; // Mismatched pair
                }
            }
        }
                    // The string is balanced if the stack is empty at the end
        return stack.isEmpty();
    }

     // Method to check if the opening and closing symbols match
    public static boolean isMatchingPair(char open, char close)
    {
        return(open == '(' && close == ')')||
                (open == '{' && close == '}')||
                (open == '[' && close == ']');
    }
}