Java Code To Check Sum Of First 10 Natural Number

public class Natural 
{
	public static void main(String args[]) 
	{
		int i, num = 10, sum = 0;
		for (i = 1; i <= num; i++) 
		{
			sum = sum + i;
		}
		System.out.println(sum);
	}
}

Compile:

javac Natural.java
java Natural

Output:

55