DRAG DROP Click the Task button.
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Click the Exhibit button. Given the fully-qualified class names: com.foo.bar.Dog com.foo.bar.blatz.Book com.bar.Car com.bar.blatz.Sun Which graph represents the correct directory structure for a JAR file from which those classes can be used by the compiler and JVM? ()
A.Jar A
B.Jar B
C.Jar C
D.Jar D
E.Jar E
Click the Exhibit button. Which three code fragments, added individually at line 29, produce the output 100?()
A.n = 100;
B.i.setX( 100 );
C.o.getY().setX( 100 );
D.i = new Inner(); i.setX( 100 );
E.o.setY( i ); i = new Inner(); i.setX( 100 );
F.i = new Inner(); i.setX( 100 ); o.setY( i );
Given:
What is the result?()
A.Compilation fails.
B.exception is thrown at runtime.
C.The attribute id in the ItemTest object remains unchanged.
D.The attribute id in the ItemTest object is modified to the new value.
E.A new ItemTest object is created with the preferred value in the id attribute.
A.When using versions of Java technology earlier than 5.0.
B.When sharing a StringBuffer among multiple threads.
C.When using the java.io class StringBufferInputStream.
D.When you plan to reuse the StringBuffer to build more than one string.
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.
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
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.
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
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;
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
最新试题
Given:What is the result?()
Given:
Given:Which three are true?()
Given:What is the result?()
Given:What is the result?()
Given:What is the result?()
Given:What is the result?()
Click the Exhibit button. What is the result? ()
DRAG DROP Click the Task button.
Which two scenarios are NOT safe to replace a StringBuffer object with a StringBuilder object?()