W3School TIY Editor

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)); } }