Java in a Nutshell, 5th Edition

Name

TypeVariable<D extends GenericDeclaration>

Synopsis

This interface extends Type and represents the generic type represented by a type variable. getName( ) returns the name of the type variable, as it was declared in Java source code. getBounds( ) returns an array of Type objects that serve as the upper bounds for the variable. The returned array is never empty: if the type variable has no bounds declared, the single element of the array is Object.class. The getGenericDeclaration( ) method returns the Class, Method, or Constructor that declared this type variable (each of these classes implements the GenericDeclaration interface). Note that TypeVariable is itself a generic type and is parameterized with the kind of GenericDeclaration that declared the variable.

Figure 10-102. java.lang.reflect.TypeVariable<D extends GenericDeclaration>

public interface TypeVariable<D extends GenericDeclaration> extends Type {
// Public Instance Methods
     Type[ ] getBounds( );  
     D getGenericDeclaration( );  
     String getName( );  
}

Returned By

Class.getTypeParameters( ), Constructor.getTypeParameters( ), GenericDeclaration.getTypeParameters( ), Method.getTypeParameters( )