Thread Semaphore and Mutex in Java. Semaphore restrict the access to a resource for limited numbers of threads while mutex restricts the access to a single thread.

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SWT Hello World Application. A simple application that can be used as a base for any SWT application.

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Enum examples in Java. Simple enum usage. How to convert String to Enum object. Enum object with fields and methods.

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In this article will make RGB LED to change colors using Raspberry Pi and Java.

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In this article will make RGB LED to change colors using Raspberry Pi and C.

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In this article will make RGB LED to change colors using Raspberry Pi and Python.

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