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Java Basics: Abstract and Nested Classes 

Modeling Business Problems with Classes Class Inheritance When designing an object-oriented solution, you should attempt to avoid code duplication. One technique to avoid duplication is to create library methods and…

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Basics of Java 

This post is a review of fundamental Java and programming concepts. Java Class Structure A Java class is described in a text file with a .java extension. In the example…

How to create a Python Dictionary 

Dictionaries in python are quite similar to arrays in how they look however arrays are indexed by a range of numbers i.e. 1-10, but dictionaries are indexed by their key….