Java Programming Tutorials

Java programming tutorials with many code examples!

Java 8 remove selected item from Collection

In Java 8 remove selected item from Collection? It can be done in at least two ways both of which we are going to implement here. Let’s code!

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Java ThreadLocal – thread data separation

One way to prevent concurrent modifications from different Threads is to given them their own local data. Java ThreadLocal allows to do thread data separation.

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Java 8 range of numbers

How to generate in Java 8 range of numbers? This is practical problem, often met when writing tests. In this post we’ll cover fast implementation, comfortable, and flexible with Java 8 Streams!

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Java 8 List to Map

Very common task is creation of Map from a List of objects. In this post we show how to use Java 8 to convert List to Map using Collectors.

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Java 8 forEach examples

In this article we present Java 8 forEach on examples. These are very convenient methods for use with Lambda Expressions and method references.

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Java Fork Join example

In Java Fork Join Framework takes advantage of multiple processors to process divide and conquer algorithms with full power. In this post we’ll show how to start with Fork Join processing.

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Merge Sort in Java

In this post we’ll implement Merge Sort in Java. It’s fast, divide and conquer, sorting algorithm that can also be parallelized.

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