✏️ Explanatory Question

Write a Java program that prints the diagonal elements of a square 2D array.

Given the following array:


int[][] matrix = {
    {1, 2, 3},
    {4, 5, 6},
    {7, 8, 9}
};

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📘 Detailed Answer
🟢 Easy
← Previous Write a Java program that calculates the sum of each row in a 2D array and prints the result. Given the following array: int[][] arr = { {1, 2, 3}, {4, 5, 6}, {7, 8, 9} };
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Answer with Explanation


public class Main {
    public static void main(String[] args) {
        int[][] matrix = {
            {1, 2, 3},
            {4, 5, 6},
            {7, 8, 9}
        };
        
        System.out.print("Diagonal Elements: ");
        for (int i = 0; i < matrix.length; i++) {
            System.out.print(matrix[i][i] + " ");
        }
    }
}
← Previous Write a Java program that calculates the sum of each row in a 2D array and prints the result. Given the following array: int[][] arr = { {1, 2, 3}, {4, 5, 6}, {7, 8, 9} };