atan() - Return the Tangent of value as a Argument in Java

1. Forget Code
2. Java
3. atan() - Return the Tangent of value as a Argument

//atan() - Return the  Tangent of value as a Argument 
import java.lang.Math.*;
class Demotan
{
public static void main(String args[])
{
double v= 0.5;
System.out.println("Arc tangent of "+v+"is" + Math.atan(v));
}
}