This article describes the Java Virtual Machine (JVM) and its architecture
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What is Object Oriented Programming (OOP)
Follow this tutorial to understand the principles of object oriented programming and write reusable and clean code
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Java Inheritance Example
Java Abstraction Example
Java Polymorphism Example
Method Overloading vs. Method Overriding in Java
This article demonstrates the difference between method overloading and method overriding in Java with examples
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Java Collection Beginner’s Guide
The “Collections” framework in Java came into action with the release of JDK 1.2 and was expanded quite a few times in Java 1.4 and Java 5 and then again in Java 6.
Continue readingChoose the Right Java Collection
Java offers you a variety of collection implementations to choose from. In general you will always look for the collection with the best performance for your programming task, which in most cases is ArrayList, HashSet or HashMap. But be aware, if you need some special features like sorting or ordering you may need to go for a special…
Continue readingDifference Between ArrayList and LinkedList in Java
This article explains the differences between ArrayList and LinkedList and in which case we should prefer the one over the other.
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Difference between HashMap and TreeMap in Java
In this article I will explain the difference between java HashMap and java TreeMap
Continue readingJava Increase Memory
The Java memory model specifies how the Java virtual machine works with the computer’s memory (RAM). In this tutorial I will show you how to configure the memory used by Java.
Continue readingWhat awaits you at the interview or 10 tricky questions of the recruiter
Be prepared for your next job interview with the ultimate “Job Interview Survivor Guide”
Continue readingHow to write a cover letter
i A cover letter is a letter consisting of documents such as resume, curriculum vitae to give a brief introduction. It can be used for a variety of purpose like an internship, employment, marketing, and as business documents in some cases. An impressive cover letter is what that makes a difference. The important points that…
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