content: package com.itbulls.learnit.javacore.oop.staticdemo;
  import static java.util.Arrays.*;
  
  import java.util.Arrays;
  
  public class Demo {
  	
  	public static void main(String[] args) {
  		User user1 = new User();
  		System.out.println("user1.getId() = " + user1.getId());
  		System.out.println("user1.getCounter() = " + user1.getCounter());
  		
  		System.out.println();
  		System.out.println("================================");
  		System.out.println();
  		
  		User user2 = new User();
  		System.out.println("user2.getId() = " + user2.getId());
  		System.out.println("user2.getCounter() = " + user2.getCounter());
  		
  		System.out.println();
  		System.out.println("================================");
  		System.out.println();
  		
  		System.out.println("user1.getCounter() = " + user1.getCounter());
  		
  		System.out.println();
  		System.out.println("================================");
  		System.out.println();
  		
  		User user3 = new Employee();
  		user3.doAnyStaticAction();
  		
  		User.doAnyStaticAction();
  		Employee.doAnyStaticAction();
  		
  		System.out.println();
  		System.out.println("================================");
  		System.out.println();
  		
  		int[] arr = {1, 2, 3};
  		Arrays.sort(arr);
  		sort(arr);
  	}
  
  }
  