Categories
Java

How to access to the members of outer class from inner class

You can’t access to the members of an outer class from an inner class using the keyword “this”.
In fact, the keyword “this” in an inner class is a reference to the inner class itself.
To have a reference to the outer class, you must use the syntax:

[OuterClassName].this

where [OuterClassName] is the name of the outer class.

Categories
Java

The access modifiers of methods and variables of a java class

In this article I explain how to set the visibility of methods and instance variables, ie those variables declared outside of any method (the variables declared within a method are called local variables and they are visible in the method only).