Game Instructions

Tap a tile to toggle its color. When a tile changes nearby tiles may change as well. Each move affect multiple tiles. The target is to turn all tiles into yellow in the fewest steps possible.

Press 'j' to show/hide the game. Press 'i' to show/hide the instructions. Press 't' to show/hide the top score table.

Steps: 0

Top Scores

Name Steps
Press J to toggle the game, I to toggle instructions, and T to toggle the top scores

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The java.util.concurrent Package PROF

The java.util.concurrent package includes utility classes which are useful in concurrent programming. The following clips explain the most important ones of those classes.

You can download the source code files each one of these video clips uses at www.abelski.com (“Java SE Applications Development” course material).

Locks & Conditions

Semaphore

CountDownLatch

Exchanger

CyclicBarrier

Threads Pool

FutureTask

BlockingQueues

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The Beauty of Code

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