// Sum all elements of array in Java
import java.util.Scanner;
class test
{
public static void main(String ar[])
{
	Scanner scan = new Scanner(System.in);
	System.out.println("Enter the size of array:");
	int size = scan.nextInt();
	int array[] = new int[size];
	for(int i=0;i<array.length;i++)
	{
		System.out.println("Enter "+i+" element:");
		array[i] = scan.nextInt();
	}
	//To sum: As zero is additive constant, initialize a variable ans to 0 and keep on adding all the array values to this ans variable.
	int ans=0;
	for(int i=0;i<array.length;i++)
	{
		ans = ans+array[i];
	}
	System.out.println("Sum is: "+ans);
}
}
/* OUTPUT
Enter the size of array:
5
Enter 0 element:
10
Enter 1 element:
20
Enter 2 element:
30
Enter 3 element:
40
Enter 4 element:
50
Sum is: 150
*/