Java Annotation

Was there any annotation or similar functionality existing prior to 1.5 of Java ?

Yes

Which of the following symbol is used to represent an annotation ?

Which of the following way is a valid annotation definition ?

public @annotation MyAnnotation{
}

private @interface MyAnnotation{
}

public @interface MyAnnotation{
}

public @MyAnnotation{
}

Which of the following retention policy and the type that defines @override ?

SOURCE,METHOD

CLASS,METHOD

CLASS,TYPE

TYPE,CLASS

Which of the following are the valid retention policy type available in Java ?

SOURCE

CLASS

RUNTIME

CODE

TOOLS

Which of the following is a benefit from using @override annotation ?

Override annotation says that the method marked must be overriden by subclass

It helps in runtime to dynamic binding the method to appropriate object

Compiler can warn you if the method desingated with override is not a correct override

Can you apply more than one attonation in a target ?

Yes