Eitanos30 questions

• Error when trying to define Functional (SAM) interfaces
• Why it is forbidden to use 'out' keyword in generics if a method excepts the type parameter as a parameter?
• Why does 'get' method of class 'Map' enable sending a not relevant key without a compilation error?
• Why is the Java source code implementation for Android different from the regular Java implementation for the same classes?

Eitanos30 answers