inner-classes_开发者

No enclosing instance of type MySuperClass<B> is available due to some intermediate constructor

I was trying to use an inner class of the super type, which was using generics. And got that strange error above.[详细]

2023-04-12 06:34 分类：问答

How can I declare a friend function in a namespace that takes an inner class as a parameter?

Consider this code: namespace foo {} class A { class B { }; friend int foo::bar( B& ); }; namespace foo { int bar( A::B& )[详细]

2023-04-12 01:23 分类：问答

Java - Array of Inner Classes inside of Outer Class

Let\'s say I have: public class A { public A() { ... } ... public class B { public B() { ...开发者_运维知识库[详细]

2023-04-10 21:17 分类：问答

Best way to create the behavior of an extendable Enum in java

I want to create something that resembles an extendable Enum (understanding extending Enums isn\'t possible in Java 6).[详细]

2023-04-10 05:29 分类：问答

How to use Nested Enums with Java Type Erasure

public enum Days { SUNDAY, MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIDAY, SATURDAY; public enum WeekDays{ MONDAY,[详细]

2023-04-09 20:36 分类：问答

Inner classes with method names and different signatures than the outer class

I know how to get this code to work, but I\'m curious why the compiler is not able to figure out that the call is to the outer class method:[详细]

2023-04-09 03:28 分类：问答

Passing final variables to anonymous classes

In final variable passed to anonymous class via constructor, Jon Skeet mentioned that variables are passed to the anonymous class instance via an auto-generated constructor. Why would I not be able to[详细]

2023-04-06 09:44 分类：问答

How do Inner blocks in Java access local variables which are supposed to be out-of-scope? (How the JVM treats final local variables in Java)

In the following code: public class Main { Emp globalEmp; public void aMethod() { final int stackVar = 10; globalEmp = new Emp()[详细]

2023-04-05 23:55 分类：问答

inner classes in smalltalk

I wonder why smalltalk doesn\'t make use of java-style inner class. This mechanism effectively allows you to define a new instance of a new class, on-the-fly, where you need it, when you need it. It c[详细]

2023-04-05 22:25 分类：问答

Is it necessary to compile the inner class if changes made in an other inner class?

I have a Class Aouter, This Aouter cl开发者_如何学Cass has 2 inner classes namely Binner,Cinner. My doubt is if Binner class had been changed so Cinner class also should be compiled and moved to serve[详细]

2023-04-03 13:32 分类：问答