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What is a Pool? [duplicate]

According to When and why is a Pool class needed to hold objects?, pools are used when the number of "instances" of an object fluctuates. However, StarWarrior (the Artemis example) uses a pool for the ...
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1answer
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ParticleEffectPool.obtain() not resetting particles

I want to use ParticleEffectPools in libGDX but I'm running into an odd issue where the effects don't seem to be reset when obtained by the pool. The code below looks for an existing ...
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Object generation from an existing object in a game engine

To simplify, let's say in en engine I'm coding for a game, I have the Main class an Object class. In the Main class' update method, I loop through the array of all Objects in the game. I also have a ...
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When and why is a Pool class needed to hold objects?

I've been studying opengl es and an example I saw was using a "Pool" class to keep track of touch and keyboard events. Could someone please explain how and why a pool class is needed. From what I was ...
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Java game object pool management

Currently I am using arrays to handle all of my game objects in the game I am making, and I know how terrible this is for performance. My question is what is the best way to handle game objects and ...
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Game Messaging System Design

I'm making a simple game, and have decided to try to implement a messaging system. The system basically looks like this: Entity generates message -> message is posted to global message queue -> ...