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  1. class MAIN {
  2. 	public static void main (String[] args) {
  3. 		System.out.println((new A()).getThis());
  4. 		System.out.println((new B()).getThis());
  5. 	}
  6. }
  7. class A {
  8. 	public<T extends A> T getThis() {
  9. 		return this;
  10. 	}
  11. }
  12. class B extends A {}
Compilation error #stdin compilation error #stdout 0.06s 380224KB
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stdin
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Standard input is empty
compilation info 
Main.java:9: error: incompatible types
		return this;
		       ^
  required: T
  found:    A
  where T is a type-variable:
    T extends A declared in method <T>getThis()
1 error
stdout
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Standard output is empty
https://ideone.com/AE0sUT
language:
Java (12.0.1)
created:
11 years ago
visibility:
secret

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