Shulou(Shulou.com)05/31 Report--

Most people do not understand the knowledge points of this article "what are the limitations of java generics", so the editor summarizes the following content, detailed content, clear steps, and has a certain reference value. I hope you can get something after reading this article. Let's take a look at this "what are the limitations of java generics" article.

1. Type variables fail in the static context of a generic class.

/ / static field or method cannot refer to type variable private static T instance; / / static method itself is generic method private static T getInstance () {}

2. Type variables cannot be instantiated.

/ / public Restrict () {/ / this.data = new T (); / /}

3. Generic parameters cannot be instantiated with primitive types.

/ / NormalGeneric normalGeneric = new NormalGeneric (); NormalGeneric normalGeneric = new NormalGeneric ()

4. Cannot create an array of parameterized types.

Restrict [] restrictArray; Restrict [] restricts = new Restrict [10]; above is the content of this article on "what are the limitations of java generics?" I believe you all have a certain understanding. I hope the content shared by the editor will be helpful to you. If you want to know more about the relevant knowledge, please follow the industry information channel.

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.