java abstract class constructor example

抽象的 也可以是抽象的( )内容}}interface 接口名{abstract class

java中的接口和抽象类(interface and abstract class)的区别

深入浅出java字节码class文件格式

java中的接口和抽象类(interface and abstract class)的区别

那么这个类一定是抽象类,一定要声明成abstract class 4

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