Hello World

package com.zero2me.example;

import java.io.*;

public class World {
  private String country;
  
  public World(String country) {
    this.country = country;
  }

  public void sayHello() {
    System.out.println("Hello " + country);
  }
  
  public static void main(String[] args) {
    World china = new World("China");
    china.sayHello();
  }
}