11. Reverse Matrix Diagonals

package com.company;

import java.util.*;


import java.util.Arrays;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int[] matrixSize = Arrays.stream(scan.nextLine().split("\\s+"))
                .mapToInt(Integer::parseInt).toArray();
        int[][] matrix = new int[matrixSize[0]][matrixSize[1]];
        for (int i = 0; i < matrix.length; i++) {
            int[] nums = Arrays.stream(scan.nextLine().split("\\s+"))
                    .mapToInt(Integer::parseInt).toArray();
            for (int j = 0; j < matrix[i].length; j++) {
                matrix[i][j] = nums[j];
            }
        }

        int row = matrix.length - 1;
        int col = matrix[0].length - 1;
        while (true){
            int i = 0;
            while (true) {
                try {
                    System.out.print(matrix[row - i][col + i] + " ");
                    i++;
                } catch (Exception e) {
                    break;
                }
            }
            if (col == 0 && row > 0){
                row -= 1;
            } else if (col <= 0 && row == 0){
                break;
            } else {
                col--;
            }
            System.out.println();
        }
    }
}