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  1. @FunctionalInterface
  2. interface Functional { void f(int a); }
  3.  
  4. class B {
  5.   void GenerateData(Functional f) {
  6.     f.f(12345);
  7.   }
  8. }
  9.  
  10. class A {
  11.   public void XXX() {
  12.     B b = new B();
  13.     b.GenerateData(this::ZZZ);
  14.   }
  15.   public void ZZZ(int n) {
  16.     System.out.println("n = " + n);
  17.   }
  18. }
  19.  
  20. class Main {
  21.   public static void main(String[] args) {
  22.     A a = new A();
  23.     a.XXX();
  24.   }
  25. }
  26.  
  27.  
Success #stdin #stdout 0.2s 33288KB
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Standard input is empty
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n = 12345
https://ideone.com/GJZgiZ
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

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