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Programming 101: What Is a Global Variable (And Is It Safe?)

Global variables are divisive: an invaluable shortcut or a dangerous example of sloppy code? Let's talk about what they do, what they’re good for, and why you should be extra careful using them. A ...
InfoWorld

Java 101: Understanding Java threads, Part 4: Thread groups, volatility, and thread-local variables

This month’s Java 101 concludes the thread series by focusing on thread groups, volatility, thread-local variables, timers, and the ThreadDeath class. Java requires every thread and every thread group ...
InfoWorld

Java 101: Understanding Java threads, Part 2: Thread synchronization

Multithreaded programs often function erratically or produce erroneous values due to the lack of thread synchronization. Synchronization is the act of serializing (or ordering one at a time) thread ...
Android Authority

Java tutorial for beginners: Write a simple app with no previous experience

Java is one of the most in-demand programming languages in the world and one of the two official programming languages used in Android development (the other being Kotlin). Developers familiar with ...