W3School TIY Editor

public class Main { public static void main(String[] args) { System.out.println(Math.nextAfter(1, 2)); System.out.println(Math.nextAfter(1, 0)); System.out.println(Math.nextAfter(0.5f, 1.0f)); System.out.println(Math.nextAfter(0.5f, 0.0f)); } }