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Transitioning to Java

Transitioning to Java

By : Ken Fogel
4.8 (6)
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Transitioning to Java

Transitioning to Java

4.8 (6)
By: Ken Fogel

Overview of this book

This comprehensive guide will help non-Java developers already using different languages transition from their current language to all things Java. The chapters are designed in a way that re-enforces a developer’s existing knowledge of object-oriented methodologies as they apply to Java. This book has been divided into four sections, with each section touching upon different aspects that’ll enable your effective transition. The first section helps you get to grips with the Java development environment and the Maven build tool for modern Java applications. In the second section, you’ll learn about Java language fundamentals, along with exploring object-oriented programming (OOP) methodologies and functional programming and discovering how to implement software design patterns in Java. The third section shows you how to code in Java on different platforms and helps you get familiar with the challenges faced on these platforms. In the fourth section, you’ll find out how you can manage and package your Java code. By the end of this Java programming book, you’ll have learned the core concepts of Java that’ll help you successfully transition from a different language to Java.
Table of Contents (23 chapters)
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1
Part 1:The Java Development Environment
5
Part 2:Language Fundamentals
15
Part 3:GUI and Web Coding in Java
19
Part 4:Packaging Java Code

Creating Java native OS threads

The term native thread refers to threads managed by the computer’s OS. When we create a Java native thread, we are referring to threads that the JVM manages using the underlying OS’s threads library API. This also means that the JVM deals with the different threads libraries on different OSs, while we use the Java API to create threads. A program that employs threads written on an Apple Mac will work on a Windows machine as the JVM handles the lowest levels of threads.

We will look at three different ways to create Java native threads and one way to create a pool of threads. These will involve the following:

  • Extending the Thread class
  • Implementing the Runnable interface
  • Creating a thread pool with ExecutorService
  • Implementing the Callable interface
  • Managing threads

The final items we will cover are the following:

  • Daemon and non-daemon threads
  • Thread priority

Extending the Thread class...

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