자바 2차원 배열 각 행 열 총합 구하기

package Q_0306;

public class Q_9 {

	public static void main(String[] args) {
		
		int [][] score = {
				{100, 100, 100},
				{20, 20, 20},
				{30, 30, 30},
				{40, 40, 40},
				{50, 50, 50},
		};
		
		int [][] result = new int [score.length+1][score[0].length+1];
		
		int sum = 0;
		for(int i = 0; i < score.length; i++){
			
			for(int o = 0; o < score[i].length; o++){
				result[i][o] = score[i][o];
				
				result[i][3] += score[i][o];
				result[5][o] += score[i][o];
				result[5][3] += score[i][o];
			}
		}
		
		/*
		int sum2 = 0;
		for(int i = 0; i < score.length; i++){
			sum2 += result[i][3];
			
			result[5][3] = sum2;
		}
		*/
		
		
		/*
		for(int j = 0; j < result[j].length; j++){
			sum2 += result[i][j];
			result[i+1][j] = sum;
		}
		*/
		
		for(int i = 0; i < result.length; i++){
			for(int o = 0; o < result[i].length; o++){
				System.out.print(result[i][o] + " ");
			}
			System.out.println();
		}
	}

}