Find If The Given Matrix Is A Scalar Matrix - Java Quiz Question

Write a program to find if the given matrix is a scalar matrix.

Input (Two Dimensional matrix)	Output (boolean)
`1 0 0 0 1 0 0 0 1`	true
`-3 0 0 0 0 -3 0 0 0 0 -3 0 0 0 0 -3`	true
`7 0 0 7`	true
`6 0 0 0 6 0 0 0 0`	false
`12 89 77 23 99 66 45 100 111`	false


			

			class IsScalarMatrix 
 { 

			    public static void main(String s[])
    {
        int input[][] = {{1, 0, 0}, {0, 1, 0}, {0, 0, 1}};
        System.out.println("The given matrix is a scalar matrix : " + isScalarMatrix(input));

    }
 
			

			

					    public static boolean isScalarMatrix(int matrix[][]) {

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