public class Main {
public static void main(String[] args) {
System.out.println(Math.nextUp(1.0f));
System.out.println(Math.nextUp(1.0));
System.out.println(Math.nextUp(0.5f));
System.out.println(Math.nextUp(0.5));
System.out.println(Math.nextUp(Math.PI));
System.out.println(Math.nextUp(3.1415927f));
}
}