Pyramid Numbers

public class Main
{
    public static void main(String[] args)
    {
        int n = 4;
        int[][] pyramid = new int[][] {
            {7, 0, 0, 0},
            {5, 6, 0, 0},
            {6, 4, 3, 0},
            {4, 6, 5, 6}
        };

        int[][] temp = new int[n][n];
        for (int i = 0; i < n; i++)
            for (int j = 0; j < n; j++)
                temp[i][j] = 0;

        temp[0][0] = pyramid[0][0];
        for (int i = 1; i <= n - 1; i++)
        {
            temp[i][0] = pyramid[i][0] + temp[i - 1][0];
        }

        for (int i = 1; i <= n - 1; i++)
        {
            for (int j = 1; j <= n - 1; j++)
            {
                temp[i][j] = pyramid[i][j] + Math.max(temp[i - 1][j - 1], temp[i - 1][j]);
            }

        }



        System.out.println("Pyramid");
        for (int i = 0; i < n; i++)
        {
            for (int j = 0; j < n; j++)
            {
                System.out.print(pyramid[i][j] + " ");
            }
            System.out.println("");
        }
        System.out.println("");

        System.out.println("Temp");
        for (int i = 0; i < n; i++)
        {
            for (int j = 0; j < n; j++)
            {
                System.out.print(temp[i][j] + " ");
            }
            System.out.println("");
        }
    }
}