write a program to accept data in 3x3, 2-D array and find the sum of all data java method
Answers
Explanation:
To sum all the variables in the 2D array, take the following steps -
- Import Scanner module to use the Scanner class.
- Declare 2 variables - i & j to iterate the loop.
- Declare 1 variable - sum to calculate the sum with the value 0.
- Declare 1 2D array.
- Input the values inside the two loops used.
- Inside the same loop, calculate the sum.
- Finally, print the sum.
Program:
import java.util.Scanner; // access Scanner class
public class Main
{
public static void main(String args[])
{
// initializing variables
int i, j, sum = 0;
int arr[][] = new int[3][3];
Scanner scan = new Scanner(System.in);
// inserting the array elements
System.out.println("Enter the Array Elements : ");
for(i = 0; i < 3; i++)
{
for(j = 0; j < 3; j++)
{
// inserting the values here
arr[i][j] = scan.nextInt();
// calculating the sum here
sum = sum + arr[i][j];
}
}
// the printing inserted array
System.out.print("The Array is :\n");
for(i = 0; i < 3; i++)
{
for(j = 0; j < 3; j++)
{
System.out.print(arr[i][j] + " ");
}
System.out.println();
}
// dispaying the sum
System.out.print("The sum is : " + sum);
}
}
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