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  1. interface ITest{
  2.   void getName();
  3. }
  4.  
  5. class Test{
  6.     private String name;
  7.  
  8.     Test(String name) {
  9.         this.name=name;
  10.     }
  11.     Test() { }
  12.  
  13.         public ITest setName(String name1){
  14.            class Test1 extends Test implements ITest{
  15.                Test1 (String name1) {
  16.                    super(name1);
  17.               }
  18.               @Override
  19.               public void getName(){
  20.                  System.out.println(this.name);
  21.              }
  22.          }
  23.         return new Test1(name1);
  24.     }
  25. }
  26.  
  27. public class Main {
  28.  
  29.     public static void main(String[] args) {
  30.     Test test= new Test();// Запустится конструктор без параметров, name станет null.
  31.     ITest itest= test.setName("Имя"); // Здесь конструктор с параметром, установит переменной name значение "имя";
  32.     itest.getName(); // она все еще null.
  33.  
  34.   }
  35. }
Compilation error #stdin compilation error #stdout 0s 0KB
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Standard input is empty
compilation info 
Main.java:20: error: name has private access in Test
                 System.out.println(this.name);
                                        ^
1 error
stdout
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Standard output is empty
https://ideone.com/e7k4MC
language:
Java (HotSpot 12)
created:
6 years ago
visibility:
public

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