多项选择题

Which statements concerning the correlation between the inner and outer instances of non-static inner classes are true？（）

A.Member variables of the outer instance are always accessible to inner instances， regardless of their      accessibility modifiers.
B.Member variables of the outer instance can never be referred to using only the variable name within     the inner instance.
C.More than one inner instance can be associated with the same outer instance.
D.All variables from the outer instance that should be accessible in the inner instance must be declared     final.
E.A class that is declared final cannot have any inner classes.

相关考题

Whichstatementsconcerningthemethodsnotify（）andnotifyAll...

多项选择题Which statements concerning the methods notify（） and notifyAll（） are true？

A.Instances of class Thread have a method called notify（）.
B.A call to the method notify（） will wake the thread that currently owns the monitor of the object.
C.The method notify（） is synchronized.
D.The method notifyAll（） is defined in class Thread.
E.When there is more than one thread waiting to obtain the monitor of an object， there is no way to be sure which thread will be notified by the notify（） method.

Given the following interface definition， which definit...

多项选择题

Given the following interface definition， which definitions are valid？（）
interface I {
void setValue（int val）；
int getValue（）；
}
DEFINITION a：
（a） class a extends I { int value；
void setValue（int val） { value = val；
}
int getValue（） {
return value；
}
}
DEFINITION b：
（b） interface b extends I {
void increment（）；
}
DEFINITION c：
（c） abstract class c implements I {
int getValue（） {
return 0；
} abstract void increment（）；
}
DEFINITION d：
（d） interface d implements I { void increment（）； }
DEFINITION e：
（e） class e implements I { int value；
public void setValue（int val） { value = val； } }

A.Definition a.
B.Definition b.
C.Definition c.
D.Definition d.
E.Definition e.

What will be the result of attempting to compile and ru...

单项选择题

What will be the result of attempting to compile and run the following program？（）
public class Q28fd {
public static void main（String args[]） {
int counter = 0；
l1：
for （int i=10； i<0； i--） {
l2： int j = 0；
while （j < 10） {
if （j > i） break l2；
if （i == j） {
counter++；
continue l1；
}
}
counter--；
}
System.out.println（counter）；
}
}

A.The program will fail to compile.
B.The program will not terminate normally.
C.The program will write 10 to the standard output.
D.The program will write 0 to the standard output.
E.The program will write 9 to the standard output.

SCJP程序员认证考试

Which statements concerning the correlation between the inner and outer instances of non-static inner classes are true？（）