# Java Program to calculate sum of Even numbers till N

Get input n and calculate the sum of even numbers till n

Sample Input 1:

5

Sample Output 1:

The Sum of Even Number till N:6(2+4)

#### Program or Solution

```
```
import java.util.*;
class SumOfNEven
{
public static void main(String args[])
{
int i,j,N,sum=0;
System.out.println("Enter The Value Of N");
Scanner sc=new Scanner(System.in);
N=sc.nextInt();
for(i=2;i<N;i+=2)
sum+=i;
System.out.println("The Sum Of N Even Numbers: "+sum);
}
}

#### Program Explanation

1. Get input N (To which even numbers to be added)

2. Instruction(s) inside the for block{} are executed repeatedly till the second expression (j<=N) is true.

* for(i=2;i<N;i+=2)*

3. Here i is initialized to 2 and incremented by 2 for each iteration, instructions inside the for block are executed in every iteration. iteration stops when i becomes greater than n.

so value of i (2,4,6,...n)will be added to sum.

sum = sum + i

sum = 0 + 2

sum = 2 + 4

sum = 6 + 6

...................

after adding all even numbers till N to sum, sum will be printed using system.out.println.

#### Comments

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