I'd like to promise certain things about the parameter of a generic:
public class Foo<Bar implements Something> {
...
}
how about:
public class Foo<Bar extends Something> {
Note that this works if `Something' is a class or if it is an interface.
--
Beware of bugs in the above code; I have only proved it correct, not
tried it. -- Donald E. Knuth
.
program challenge ...public void setName{ ... the salaried class that extends Employee...public class Salaried extends Employee... // Programmer.java: the programmer class that extends from Hourly ... (comp.lang.java.help)
Re: Exceptions ... >> public abstract class BasePermissionException extends... >> public abstract class BaseRulesException extends BaseRuntimeException... >> public class PermissionException extends BasePermissionException... > public class PermissionException extends RuntimeException... (comp.lang.java.help)
Re: is it ok to return null? ... A refactoring to be aware of also is the "Introduce Null Object". ... The refactoring includes creating a Null Object that extends the original, ...public class TestEmployee extends TestCase... (comp.lang.java.help)
A good way to approach this? ...public class AutoFillTextArea extends JTextArea implements CaretListener { ...caret.... (comp.lang.java.gui)
Re: ADTs vs. interfaces ... >>mixture of abstract methods and concrete methods and your variables ... >>With an interface, it's a little different. ... you can't use extends from an interface. ... > public class BigBooks implements Books { ... (comp.lang.java.help)
