Clik here to view.
Difference between Factory and Abstract Factory
The main difference between the two is Inheritance vs Composition. Abstract Factory uses composition whereas Factory like template uses inheritance. Abstract factory pattern can use factory method to...
View ArticleClik here to view.
Callbacks explained by hollywood principle
I thought of explaining the concept of callbacks via hollywood principle of : “Dont call us, we will call you, just leave your phone number (register callback) with us :)” So, I made a small java...
View ArticleClik here to view.
Use ENUM and map to remove conditional logic in your code.
Using ENUM and a map could be a neat way to remove conditional logic, like switch cases in our code. Another approach could be to use State design pattern, but if you don’t want to create many classes...
View ArticleClik here to view.
Pizza problem- builder vs decorator
Problem Statement : We need to build the software for a pizza company who wants to prepare different types of pizzas, e.g Chicken Pizza, Flat Bread, Pepperoni Pizza with Extra Cheese, put add on...
View ArticleClik here to view.
Understanding strategy pattern by designing game of chess
Today we will try to understand Strategy Pattern with the help of an example. The example we will consider is The Game of Chess. The intention here is to explain strategy pattern and not to build a...
View Article