public static void main(String[] args){

int[][] my2DArray = inputArray2D();

long sum = Sum(my2DArray);

double average = Average(my2DArray);

System.out.print("Sum :" + sum);

System.out.println();

System.out.print("Average :" + average);

}

public static int[][] inputArray2D(){

Scanner input = new Scanner(System.in);

System.out.print("Welcome to 2D Array Maker Method\n");

System.out.print("Enter Row: ");

int Rows = input.nextInt();

System.out.print("ENter Column : ");

int Columns = input.nextInt();

int[][] NewArray = new int[Rows][Columns];

int Row = 0;

while(Row < Rows){

int Column = 0;

while(Column < Columns){

System.out.print("Enter Row" + (Row + 1) + " Column " + (Column + 1) + ": ");

NewArray[Row][Column] = input.nextInt();

Column++;

}

Row++;

}

return NewArray;

}

public static long Sum(int[][] my2DArray){

long sum = 0;

int Rowindex = 0;

while(Rowindex < my2DArray.length){

int ColumnIndex = 0;

while(ColumnIndex < my2DArray[Rowindex].length){

sum = sum + my2DArray[Rowindex][ColumnIndex];

ColumnIndex++;

}

Rowindex++;

}

return sum;

}

public static double Average(int[][] my2DArray){

long sum = 0;

int count = 0;

int row = 0;

while(row < my2DArray.length){

int column = 0;

while(column < my2DArray[row].length){

sum += my2DArray[row][column];

count++;

column++;

}

row++;

}

double average = (double)sum / count;

return average;

}

}