JAVA-二维数组-要求计算出每个季度的总营业额和全年的总营业额-求指导

package _exercis;

public class TwoArray {
    public static void main(String[] args) {
        int eachSum1 = 0;
        int eachSum2 = 0;
        int eachSum3 = 0;
        int eachSum4 = 0;

        int totalSum = 0;
        int[][] arr = {
                {22, 66, 44},
                {77, 33, 88},
                {25, 45, 65},
                {11, 66, 99}
        };
        for (int i = 0; i < arr.length; i++) {
            for (int j = 0; j < arr[i].length; j++) {
                totalSum += arr[i][j];
                if (i == 0 && j >= 0 && j <= arr[i].length) {
                    eachSum1 += arr[i][j];
                } else if (i == 1 && j >= 0 && j <= arr[i].length) {
                    eachSum2 += arr[i][j];
                } else if (i == 2 && j >= 0 && j <= arr[i].length) {
                    eachSum3 += arr[i][j];
                } else if (i == 3 && j >= 0 && j <= arr[i].length) {
                    eachSum4 += arr[i][j];
                }
            }
        }
        System.out.println("第一季度营业额:" + eachSum1);
        System.out.println("第二季度营业额:" + eachSum2);
        System.out.println("第三季度营业额:" + eachSum3);
        System.out.println("第四季度营业额:" + eachSum4);
        System.out.println("总营业额:" + totalSum);
    }
}