abstract 的method 是否可同时是static,是否可同时是native,是否可同时是synchronized?
abstract 的method 是否可同时是static,是否可同时是
native,是否可同时是synchronized?
abstract 的method 是否可同时是static,是否可同时是
native,是否可同时是synchronized?
abstract 的method 是否可同时是static,是否可同时是
native,是否可同时是synchronized?
A.public abstract void method(){}
B.public void method() extends abstract
C.public abstract void method()
D.public abstract method()
A.abstract、void、method()
B.public、void、method()
C.final、void、method()
D.static、void、method()
A. Promising laboratory test results still need to be confirmed by clinical studies before clinical recommendation could be given
B.Clinical trials with resin-bonded restorations that had no or only limited mechanical retention and were made from alumina or zirconia ceramic were identified using an electronic search in PubMed database.
C.Most original laboratory research reports on bonding to zirconia ceramics start in their introduction with a statement pointing more or less out that achieving a reliable and predictable bond to this ceramic would be a major problem in dentistry
D.No clinical trials with alumina ceramic IRFDFs or with RBFDPs made from densely sintered alumina ceramic were foun
A.内部类不能有自己的成员方法和成员变量
B.内部类可用abstract修饰定义为抽象类,也可以用private或protected定义
C.内部类可作为其他类的成员,而且可访问它所在类的成员
D.除static内部类外,不能在类内部声明static 成员
A. throws IOException
B. throw IOException
C. throws Exception
D. throws RuntimeException