cocos2d/cocos2d-x — pull request #8995 by zhong317 (2014-11-03 12:38:02+00:00)
Title: Update Cocos2dxSound.java

call "preloadEffect" to preload some sounds first, and call "playEffect" to play some unloaded sound later, it maybe cause ConcurrentModificationException or you will unable to stop the playing sound.