Generate Even Number Ones Matrix

/*
 * Lu Liu
 * 12/03/2015
 * CSCI-111-D01
 * Email: [email protected]
 * Project:
 * Generate Even Number Ones Matrix
 * Description:
 * 1)Ask the user for the number of rows and the number of columns in the matrix
 * 2)Repeatedly randomly generate a matrix of ones and zeros with those dimensions
 * 3)Find the matrix that all rows and all columns have an even number of ones
 */
import java.util.Scanner;

public class EvenOnes {

    public static void main(String[] args) {
        final String TITLE = "Generate Even Number Ones Matrix";
        final String CONTINUE_PROMPT = "Do This Again?[y/N]";
        System.out.println("Welcome to " + TITLE);
        Scanner sc = new Scanner(System.in);

        System.out.println("Enter the number as rows: ");
        int rows = sc.nextInt();
        System.out.println("Enter the number as columns: ");
        int columns = sc.nextInt();
        int matrix[][] = new int[rows][columns];
        do {
            evenOnesMatrix(matrix);
        } while (doThisAgain(sc, CONTINUE_PROMPT));
        sc.close();
        System.out.println("\nThank you for using " + TITLE);
    }

    // ----------------------------------------------------------------------------
    private static boolean doThisAgain(Scanner sc, String prompt) {
        System.out.print(prompt);
        String doOver = sc.nextLine();
        return doOver.equalsIgnoreCase("Y");
    }

    // ----------------------------------------------------------------------------
    public static void evenOnesMatrix(int matrix[][]) {
         do {
         getRandomMatrix(matrix);
         System.out.println();
         } while (!hasEvenOnes(getRandomMatrix(matrix)));
        System.out.println("All rows and columns have even ones");
    }

    // ----------------------------------------------------------------------------
    public static int[][] getRandomMatrix(int[][] matrix) {
        for (int i = 0; i < matrix.length; i++) {
            for (int j = 0; j < matrix[i].length; j++) {
                matrix[i][j] = (int) (Math.random() * 2);
                System.out.print(matrix[i][j] + " ");
            }
            System.out.println();
        }
        return matrix;
    }

    // ----------------------------------------------------------------------------
    public static boolean hasEvenOnes(int matrix[][]) {
        for (int i = 0; i < matrix.length; i++) {
            int count = 0;
            for (int j = 0; j < matrix[i].length; j++) {
                if (matrix[i][j] == 1)
                    count++;
            }
            if (count % 2 != 0)
                return false;
        }
        for (int j = 0; j < matrix[0].length; j++) {
            int count = 0;
            for (int i = 0; i < matrix.length; i++) {
                if (matrix[i][j] == 1)
                    count++;
            }
            if (count % 2 != 0)
                return false;
        }
        return true;
    }
}