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Java 泛型 T,E,K,V,?,傻傻分不清?
Java 泛型(generics)是 JDK 5 中引入的一个新特性, 泛型提供了编译时类型安全检测机制,该机制允许开发者在编译时检测到非法的类型。 泛型的本质是参数化类型,也就是说所操作的数据类型被指定为一个参数。 # 泛型带来的好处 在没有泛型的情况的下,通过对 ...
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