Android中的动态HashMap用于搜索-DynamicHashMapinAndroidforsearch

We were designing an android app for a competition. I was trying to improvise on the features by trying to have a temporary cache on the app. I was going to use HashMap for this purpose. However, I was wondering if there is any special way of creating dynamic hashMap. If yes, please let me know as I am a java noob.(Google did not help much) As of now, i am using the normal declaration for hashMap.(I'm sure that's not right though).

我们正在为比赛设计一个Android应用程序。我试图通过尝试在应用程序上拥有临时缓存来尝试即兴创作。为此,我打算使用HashMap。但是,我想知道是否有任何特殊的方法来创建动态hashMap。如果是的话,请让我知道,因为我是一个java noob。(谷歌没有多少帮助)截至目前,我正在使用hashMap的正常声明。(我确信这不是正确的)。

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