我最近一直在学习HashMaps,但我有一个问题似乎无法得到明确的答案.主要区别 -
HashMap hash1 = new HashMap();
VS
HashMap<,>hash1 = new HashMap <,> (); //Filled in with whatever Key and Value you want.
我想当你定义一个HashMap时,它需要Key和Value.任何帮助将非常感激.谢谢.