// Java program to demonstrate working
// of java.lang.Math.nextAfter() method
import java.lang.Math;
  
class GfG {
  
    // driver code
    public static void main(String args[])
    {
        double a = 0.0 / 0;
        double b = 12.2;
  
        // Input a is NaN, Output NaN
        System.out.println(Math.nextAfter(a, b));
  
        double c = 0.0;
        double d = 0.0;
  
        // Both Input are signed zeros, Output zero
        System.out.println(Math.nextAfter(c, d));
  
        float e = Float.MIN_VALUE;
        float f = 12.2f;
  
        System.out.println(Math.nextAfter(e, f));
  
        float g = 1.0f / 0f;
        float h = 1.0f;
  
        System.out.println(Math.nextAfter(g, h));
  
        double i = Double.MAX_VALUE;
        double j = 12344.2;
  
        System.out.println(Math.nextAfter(i, j));
    }
}

NaN
0.0
2.8E-45
3.4028235E38
1.7976931348623155E308