Java round() - Number

Math.round(intObj/Var);

package com.java.myapp;

public class MyClass {

    public static void main(String[] args) {
        
    	double a = 20.123;
        double b = 30.345;
        double c = 40.789;
        float d = 50f;
        float e = 100;    
        
        System.out.println(Math.round(a));
        System.out.println(Math.round(b)); 
        System.out.println(Math.round(c)); 
        System.out.println(Math.round(d)); 
        System.out.println(Math.round(e)); 
        	    	
    }
	
}