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  1. import java.util.function.Supplier;
  2.  
  3. class Main {
  4. 	public static void main(String[] args) {
  5. 		doSomething(Dog::new);
  6. 		doSomething((Runnable) Dog::new);
  7. 		Main.<Runnable>doSomething(Dog::new); // Using type witness
  8. 	}
  9.  
  10. 	static void doSomething(Runnable r) {
  11. 		System.out.println("doSomething(Runnable) called");
  12. 	}
  13.  
  14. 	static <T> void doSomething(Supplier<T> s) {
  15. 		System.out.println("doSomething(Supplier) called");
  16. 	}
  17. }
  18.  
  19. class Dog { }
  20.  
Success #stdin #stdout 0.1s 45956KB
comments (?)
stdin 
Standard input is empty
stdout 
doSomething(Supplier) called
doSomething(Runnable) called
doSomething(Runnable) called
https://ideone.com/e0Ep1m
language:
Java (HotSpot 12)
created:
2 years ago
visibility:
secret

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