public class Main{
     public static void main(String []args){
        Test a = Test.create(1);
        System.out.println(a.getId());
     }
}
class Test {
     private int id;
     private Test() {}

     public static Test create(int id) {
        Test t = new Test();
        t.id = id;
        return t;
     }
     public int getId() {
         return this.id;
     }

 }