Java Program to calculate the cube root of any number

import java.io.*;
import java.util.*;
public class CubeRoot{
    Scanner scan=new Scanner(System.in);
    int num;
    public void input(){
        try{
            System.out.printf("Enter any Number: ");
            num=scan.nextInt();
        }
        catch(InputMismatchException e){
            System.err.println("Error Occured!\n"+e.getMessage());
            System.exit(0);
        }
        catch(NumberFormatException e){
            System.err.println("Error Occured!\n"+e.getMessage());
            System.exit(0);
        }
    }

    public void display(){
        System.out.println("Cube Root of "+num+": "+Math.cbrt(num));
    }

    public static void main(String[] args){
        CubeRoot obj=new CubeRoot();
        obj.input();
        obj.display();
    }
}