Java Program to show the length of a String

import java.io.*;
import java.util.*;
public class Length{
    Scanner scan=new Scanner(System.in);
    String string;
    public void input(){
        try{
            System.out.println("Enter any String to print its length: ");
            string=scan.nextLine();
        }
        catch(Exception e){
            System.out.println("Error Code: "+e);
            System.exit(0);
        }
    }

    public void compute(){
        System.out.println("String's length: "+(string.length()));
    }

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