Use Java's packages and static imports to organize top-level types and simplify access to their static members.

Generics in the Java Collections Framework Generics are integrated into Java Collections to provide compile-time type checking and to eliminate the need for explicit type casting.

EnumDemoMain contains an example code on how to use the different enums. NormalEnum is a traditional Java enum used with a normal switch case statement to demonstrate the problem. CompileSafeEnum is a ...