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[@徐雷frank][¥20]java支持数组协变的好处，支持泛型不变的好处

java泛型好处及案例

Java 泛型是java SE 1.5的新特性，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。这种参数类型可以用在类、接口和方法的创建中，分别称为泛型类、泛型...

Java中引入泛型的好处

泛型的本质是参数化类型，即所操作的数据类型被指定为一个参数。这种类型参数可以用在类、接口和方法的创建中，分别称为泛型类、泛型接口、泛型方法。在没有泛型的情况下，通过对类型Object的引用来实现参数的转换，这种转换是需要显式地强制类型转换，对于强制类型转换错误的情况，编译器可能不提示...

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更新时间 2022-12-29 11:52:38

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