Welcome to OGeek Q&A Community for programmer and developer-Open, Learning and Share
Welcome To Ask or Share your Answers For Others

Categories

0 votes
3.8k views
in Technique[技术] by (71.8m points)

泛型没有内建的协变类型?

这是因为数组在语言中是完全定义的,因此可以内建编译和运行时检查;而在使用泛型时,编译器和运行时系统都不知道你想用类型做些什么,以及该采取什么样的规则。这句话如何理解呢,用数组编译器和运行时系统就知道你想用类型做些什么吗?


与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome To Ask or Share your Answers For Others

1 Reply

0 votes
by (71.8m points)
等待大神解答

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
OGeek|极客中国-欢迎来到极客的世界,一个免费开放的程序员编程交流平台!开放,进步,分享!让技术改变生活,让极客改变未来! Welcome to OGeek Q&A Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question

...