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Law of Demeter in Java – Principle of least Knowledge – Real life Example

Law of Demeter also known as principle of least knowledge is a coding principle, which says that a module should not know about the inner details of the objects it manipulates. If ...
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Double Checked Locking on Singleton Class in Java

Singleton class is quite common among Java developers, but it poses many challenges to junior developers. One of the key challenge they face is how to keep Singleton class as Singleton? ...
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Why use SerialVersionUID inside Serializable class in Java

Serialization and SerialVersionUID is always remains a puzzle for many Java developers. I often see questions like what is this SerialVersionUID, or what will happen if I don’t ...
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How to find Prime Factors of Integer Numbers in Java – Factorization

One of the common homework/task in programming courses is about Prime Factorization. You are asked to write a program to find prime factors of given integer number. The prime factors ...
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10 Articles Every Programmer Must Read

Being a Java programmer and Software developer, I have learned a lot from articles titled as What Every Programmer Should Know about ….. , they tend to give a lot of useful and ...
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How to Convert Byte Array to InputStream and OutputStream in Java

Are you stuck with your coding because you have a byte array and next method in chain needs an InputStream? don’t worry Java has solution for that, You can use ByteArrayInputStream ...
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Difference between State and Strategy Design Pattern in Java

In order to make proper use of State and Strategy design Pattern in Core Java application, its important for a Java developer to clearly understand difference between them. Though both ...
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10 JDK 7 Features to Revisit, Before You Welcome Java 8

It’s been almost a month Java 8 is released and I am sure all of you are exploring new features of JDK 8. But, before you completely delve into Java 8, it’s time to revisit ...
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Difference between WeakReference vs SoftReference vs PhantomReference vs Strong reference in Java

WeakReference and SoftReference were added into Java API from long time but not every Java programmer is familiar with it. Which means there is a gap between where and how to use WeakReference ...
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Why use Underscore in Numbers from Java SE 7 – Underscore in Numeric Literals

JDK 1.7 release had introduced several useful features, despite most of them being syntactic sugar, there use can greatly improve readability and code quality. One of such feature is ...
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