Category Archives: Programming

Liskov Substitution Principle with Java Code Examples

This article describes what is Liskov Substitution Principle along with code examples in Java. Please feel free to comment/suggest if I missed mentioning one or more important points. Also, sorry for the typos. In this post, you will learn some of the following: What is Liskov Substitution Principle (LSP)? Code Samples to Illustrate LSP What is code quality characteristic that represents by LSP? You may also want to check another code quality principle such as Single Responsibility Principle explained with Java Examples. What is Liskov Substitution Principle (LSP)? Take a look at this paper on Liskov Substitution Principle which provides great details on Liskov Substitution Principle. As per LSP, functions …

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Learn Functional Programming Before Java Lambdas, Functional Interfaces

As Java 8 got out-of-door, I wanted to quickly get on board with understanding and writing Lambda expressions and functional interfaces. But it was not easy like previous Java versions. And, the primary reason is the different programming paradigm one needs to understand in order to make use of Java Lambdas and functional interfaces concepts. And, this programming paradigm is functional programming. In one of the pages on functional programming (FP) I came across, it spoke about the change in thinking/mindset one, especially OOP developer, needs to bring in order to do a great job with functional programming. This is primarily because in OOP world, objects are first class citizens …

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