explicit-cast-generics.java

// Even a cast generates a warning
List<MyClass> data = (List<MyClass>) legacyLibraryCall();

generic-cast.java

private static <TTarget,TSource> TTarget cast(TSource source){
    return (TTarget)source;
}

implicit-cast-generics.java

// generates an unchecked warning
List<MyClass> data = legacyLibraryCall();

java-infers-type.java

private static <T> List<T> newList(){
    return new ArrayList<T>();
}

public static void main(String[] args) {
    // Java infers the type T for the generic method newList
    List<MyClass> data = newList();
}

plain-cast.java

Object result = anOperation();
MyClass data = (MyClass) result;

use-the-generic-cast.java

// Now we can use the cast-method. Note that this won't generate a warning
// because the return-type is inferred.
List<MyClass> data = cast(legacyLibraryCall());