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  1. class Ideone {
  2.     public static void main(String[] args) {
  3.         FooExtends1 foo1 = new FooExtends1();
  4.         changeName(foo1);
  5.         System.out.println(foo1.getName());
  6.  
  7.         FooExtends2 foo2 = new FooExtends2();
  8.         changeName(foo2);
  9.         System.out.println(foo2.getName());
  10.  
  11.         FooExtends3 foo3 = new FooExtends3();
  12.         changeName(foo3);
  13.         System.out.println(foo3.getName());
  14.     }
  15.  
  16.     public static void changeName(Foo param1) {
  17.         param1.setName("foo");
  18.     }
  19. }
  20.  
  21. class Foo {
  22.     private String name;
  23.  
  24.     public void setName(String name) {
  25.         this.name = name;
  26.     }
  27.  
  28.     public String getName() {
  29.         return name;
  30.     }
  31. }
  32.  
  33. class FooExtends1 extends Foo {}
  34. class FooExtends2 extends Foo {}
  35. class FooExtends3 extends Foo {}
Success #stdin #stdout 0.06s 32392KB
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Standard input is empty
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foo
foo
foo
https://ideone.com/DYQVLA
language:
Java (HotSpot 12)
created:
4 years ago
visibility:
public

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