TransposeMatrix.java

public class TransposeMatrix {
    public static void main(String[] args) {
        int[][] matrix = {
            {1, 2, 3},
            {4, 5, 6}
        };

        System.out.println("Original Matrix:");
        printMatrix(matrix);

        int[][] transposed = transpose(matrix);
        System.out.println("Transposed Matrix:");
        printMatrix(transposed);
    }

    static int[][] transpose(int[][] matrix) {
        int rows = matrix.length, cols = matrix[0].length;
        int[][] result = new int[cols][rows];
        for (int i = 0; i < rows; i++) {
            for (int j = 0; j < cols; j++) {
                result[j][i] = matrix[i][j];
            }
        }
        return result;
    }

    static void printMatrix(int[][] matrix) {
        for (int[] row : matrix) {
            for (int val : row) System.out.print(val + " ");
            System.out.println();
        }
    }
}