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What’s new in Java 8 (Part I – JavaFX)

Disclaimer: I do not work for Oracle or represent Oracle in any way. This list of features is not official. This is just part of my research as an “outsider”. Java 8 has become ...
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Top 10 Books For Advanced Level Java Developers

Java is one of the most popular programming language nowadays. There are plenty of books for beginners. But to those who have programmed with Java for a while, some of them may look ...
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Core Java Interview Questions

Q. What if the main method is declared as private? Answer: The program compiles properly but at runtime it will give “Main method not public.” message. Q. What is meant by pass ...
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Speed Up with Fast Java and File Serialization

Since the first version of Java, day-by-day many developers have been trying to achieve at least as good of performance as in C/C++. JVM vendors are doing their best by implementing ...
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Backreferences in Java Regular Expressions

Backreferences in Java Regular Expressions is another important feature provided by Java. To understand backreferences, we need to understand group first. Group in regular expression ...
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Java 7 vs Groovy 2.1 Performance Comparison

I haven’t used Groovy for 2 years, since my last touch with Grails. I get stuck in (hard)core Enterprise Java, with some performance aspects in background. I’ve almost missed ...
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Pitfalls of Java Comparable interface

Java Comparable interface provides a way to do natural ordering for classes implementing the interface. Natural ordering makes sense for scalars and other quite simple objects, but ...
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Throwing Exceptions – slow and ugly

This post is about a historical experience in conjunction with recently applied performance optimization techniques. Years ago I was swearing at a particular application where I had ...
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10 Subtle Best Practices when Coding Java

This is a list of 10 best practices that are more subtle than your average Josh Bloch Effective Java rule. While Josh Bloch’s list is very easy to learn and concerns everyday situations, ...
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Optional in Java 8 cheat sheet

java.util.Optional<T> in Java 8 is a poor cousin of scala.Option[T] and Data.Maybe in Haskell. But this doesn’t mean it’s not useful. If this concept is new to you, imagine ...
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