Top "Inner-classes" questions

In object-oriented programming (OOP), an inner class or nested class is a class declared entirely within the body of another class or interface.

Java inner class and static nested class

What is the main difference between an inner class and a static nested class in Java? Does design / implementation play …

java inner-classes static-classes
Is not an enclosing class Java

I'm trying to make a Tetris game and I'm getting the compiler error Shape is not an enclosing class when …

java inner-classes
Java: Static vs inner class

What is the difference between static and non-static nested class?

java static inner-classes
Java - No enclosing instance of type Foo is accessible

I have the following code: class Hello { class Thing { public int size; Thing() { size = 0; } } public static void main(String[] args) { …

java inner-classes
Can we create an instance of an interface in Java?

Is it possible to create an instance of an interface in Java? Somewhere I have read that using inner anonymous …

java interface instance inner-classes anonymous-class
Why would one use nested classes in C++?

Can someone please point me towards some nice resources for understanding and using nested classes? I have some material like …

c++ nested inner-classes
Difference between final and effectively final

I'm playing with lambdas in Java 8 and I came across warning local variables referenced from a lambda expression must be …

java lambda inner-classes final java-8
Why Would I Ever Need to Use C# Nested Classes

I'm trying to understand about nested classes in C#. I understand that a nested class is a class that is …

c# inner-classes nested-class
Getting hold of the outer class object from the inner class object

I have the following code. I want to get hold of the outer class object using which I created the …

java inner-classes
Nested classes' scope?

I'm trying to understand scope in nested classes in Python. Here is my example code: class OuterClass: outer_var = 1 class …

python class scope nested inner-classes