Java program to create upto 3 object for a class and throw Userdefined Exception if trying to create 4th one

ObjectCreation.java

package com.nt.object;

public class ObjectCreation{

 private static int count=0;
 private ObjectCreation()
 {
  count++;
 }
 public static ObjectCreation getInstance()
 {
  if(count<3)
   return new ObjectCreation();
  else
   throw new ObjectCreationOutOfBoundException("Can't create more than three objects!!!");
 }
}

ObjectCreationOutOfBoundException.java

package com.nt.object;

public class ObjectCreationOutOfBoundException extends RuntimeException {

 public ObjectCreationOutOfBoundException(String s)
 {
  super(s);
 }
}

Test.java

package com.nt.object;

public class Test {

 public static void main(String[] args) {
 
  ObjectCreation obj1=ObjectCreation.getInstance();
  System.out.println("Created first object : "+obj1);
  
  ObjectCreation obj2=ObjectCreation.getInstance();
  System.out.println("Created second object : "+obj2);
  
  ObjectCreation obj3=ObjectCreation.getInstance();
  System.out.println("Created third object : "+obj3);
  
  //here exception will generate
  ObjectCreation obj4=ObjectCreation.getInstance();
 }
}