單項(xiàng)選擇題

Which statements concerning the switch construct are true？（）

A.All switch statements must have a default label.
B.There must be exactly one label for each code segment in a switch statement.
C.The keyword continue can never occur within the body of a switch statement.
D.No case label may follow a default label within a single switch statement.
E.A character literal can be used as a value for a case label.

你可能感興趣的試題

單項(xiàng)選擇題

What will be the result of attempting to compile and run the following code？（）
public class Q6b0c {
public static void main（String args[]） {
int i = 4；
float f = 4.3；
double d = 1.8；
int c = 0；
if （i == f） c++；
if （（（int）（f + d）） == （（int） f + （int） d））
c += 2；
System.out.println（c）；
}
}

A.The code will fail to compile.
B.0 will be written to the standard output.
C.1 will be written to the standard output.
D.2 will be written to the standard output.
E.3 will be written to the standard output.

多項(xiàng)選擇題

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.

Which statements concerning the switch construct are true？（）

你可能感興趣的試題

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

Which statements concerning the switch construct are true？（）