This is probably some 50 years old, if not older.
它已经约50年了,或者更老。
You're not supposed to start eating first if there are older people at the table.
如果餐桌上有年纪更大的人,你就不应该先吃。
You can easily alter it to not use generics if you like, then it will run with older JDKs.
如果愿意,您可以容易地改变它以不使用泛型,然后它将用较旧的JDK运行。
应用推荐