Is it possible to have an abstract method in a final class?

This is one of the interesting core Java questions which was asked to one of my readers recently during a telephonic…

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Difference between Stable and Unstable Sorting Algorithm?

Recently in one on the interview, after some initial questions about sorting algorithms e.g. how do you write QuickSort or difference…

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How to Escape JSON String in Java – Eclipse IDE Tips

While working or JSON parsing in Java application it’s quite common to just copy paste a JSON String from some…

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Jersey Web Service Hello World Example in Java

After Restlet, Jersey is another popular open source framework to create RESTful web services in Java. Jersey conforms JAX-RS specification and actually…

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How to remove duplicate rows from a table in SQL

There are a couple of ways to remove duplicate rows from a table in SQL e.g. you can use a…

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9 differences between Array and ArrayList in Java

Both array and ArrayList are two important data structures in Java and are frequently used in Java programs. Even though…

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Reading/Writing to/from Files using FileChannel and ByteBuffer in Java

In the past, I have talked about RandomAccessFile and how it can be used for doing faster IO in Java,…

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10 Examples of using ArrayList in Java – Tutorial

ArrayList in Java is the most frequently used collection class after HashMap. Java ArrayList represents an automatic re-sizeable array and used…

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20 Java and Programming Quotes to Motivate Yourself

I always have a strong interest in knowing great peoples of my field i.e. programming. Knowing about them, following them…

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