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Basic tutorials in Java, iOS, Ruby & Javascript

This blog contains simple and easy to understand tutorials in Swift, Obj C, Java, Javascript and Ruby. Tutorials explains core concepts by breaking down problems to the simplest form of the idea. The thorough understanding of this then provides the basis on which more complex concepts are introduced and explained. The understanding is further reinforced by providing code samples via my github repo.

Preparing for App Academy Coding Exercise

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June 10, 2017

Check out my code on Repl.it: https://t.co/inbxc1pywI
— Ofili Valentine (@valofils) June 10, 2017

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Java 8 features

June 08, 2017

1. Adding Foreach () method in iterables 2. Default and static methods in interfaces 3. Functional Interfaces & Lambda Expressions 4. Java Stream API for bulk data operations on collections 5. Java Time API 6. Collection API Improvements 7. Concurrency API Improvements 8. Java I/O Improvements

Simple fun with Closures

April 04, 2017

So closures are self contained blocks of functionality which can be passed around and reused in various parts of your code. Closures are similar to lambda's in other languages.. A typical use case for employing closures is in iOS Grand Central Dispatch You can find a more detailed explanation here https://developer.apple.com/library/content/documentation/Swift/Conceptual/Swift_Programming_Language/Closures.html#//apple_ref/doc/uid/TP40014097-CH11-ID94