单项选择题

Click the Exhibit button. What is the result? （）……

Click the Exhibit button. What is the result? （）

A.Value is: 8
B.Compilation fails.
C.Value is: 12
D.Value is: -12
E.The code runs with no output.
F.An exception is thrown at runtime.

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热门试题

多项选择题Given: Which three are true?（）

A.Cat is-a Animal
B.Cat is-a Jumper
C.Dog is-a Animal
D.Dog is-a Jumper
E.Cat has-a Animal
F.Beagle has-a Tail
G.Beagle has-a Jumper

多项选择题Given: Which two are true? （）

A.The output is mm.
B.The output is mc.
C.Component is-a Meter.
D.Component has-a Meter.
E.DeluxeThingy is-a Component.
F.DeluxeThingy has-a Component.

单项选择题A team of programmers is involved in reviewing a proposed design for a new utility class. After some discussion, they realize that the current design allows other classes to access methods in the utility class that should be accessible only to methods within the utility class itself. What design issue has the team discovered?（）

A.Tight coupling
B.Low cohesion
C.High cohesion
D.Loose coupling
E.Weak encapsulation
F.Strong encapsulation

多项选择题Click the Exhibit button. What two must the programmer do to correct the compilation errors? （）

A.insert a call to this() in the Car constructor
B.insert a call to this() in the MeGo constructor
C.insert a call to super() in the MeGo constructor
D.insert a call to super(vin) in the MeGo constructor
E.change the wheelCount variable in Car to protected
F.change line 3 in the MeGo class to super.wheelCount = 3;

单项选择题Given: What can directly access and change the value of the variable name?（）

A. any class
B. only the Target class
C. any class in the test package
D. any class that extends Target