2D Array.java

import java.io.*;
import java.math.*;
import java.security.*;
import java.text.*;
import java.util.*;
import java.util.concurrent.*;
import java.util.regex.*;

public class TwoDArrayDS {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int arr[][] = new int[6][6];
        for (int arr_i = 0; arr_i < 6; arr_i++) {
            for (int arr_j = 0; arr_j < 6; arr_j++) {
                arr[arr_i][arr_j] = in.nextInt();
            }
        }

        int maxsum = Integer.MIN_VALUE;
        for (int arr_i = 0; arr_i < 6; arr_i++) {
            for (int arr_j = 0; arr_j < 6; arr_j++) {

                if ((arr_j + 2) < 6 && (arr_i + 2) < 6) {
                    int sum = arr[arr_i][arr_j] + arr[arr_i][arr_j + 1] + arr[arr_i][arr_j + 2]
                            + arr[arr_i + 1][arr_j + 1] + arr[arr_i + 2][arr_j] + arr[arr_i + 2][arr_j + 1]
                            + arr[arr_i + 2][arr_j + 2];
                    if (sum > maxsum) {
                        maxsum = sum;
                    }
                }

            }
        }
        System.out.println(maxsum);
        in.close();
    }

}