Excuse me,I am in trouble of an example of "package" in java.Please help me 🙇🙇

Question

package id;

import java.util.Random;

public class RandId{

private static int counter;

private int id;

static {
Random rand = new Random();
counter = rand.nextInt(10)*100;
}

public RandId(){
id=++counter; }

public int getId(){
return id;}
}

import id.RandId;

public class RandIdTester {

public static void main(String[]args){
RandId a=new RandId();
RandId b=new RandId();
RandId c=new RandId();

System.out.println("The sign number of a " +a.getId());
System.out.println("The sign number of b " +b.getId());
System.out.println("The sign number of c " +c.getId());

}
}

Answer 1

Thanks very much!

Answer 2

Not sure what you are trying to do, but
https://code.sololearn.com/c9NQs3wA0io9/?ref=app