Which code, inserted at line 16, correctly retrieves a local instance of a Point object?()
A.Point p = Line.getPoint();
B.Line.Point p = Line.getPoint();
C.Point p = (new Line()).getPoint();
D.Line.Point p = (new Line()).getPoint();
您可能感兴趣的试卷
你可能感兴趣的试题
Which exception or error will be thrown when a programmer attempts to run this code?()
A.java.lang.StackOverflowError
B.java.lang.IllegalStateException
C.java.lang.ExceptionInInitializerError
D.java.lang.ArrayIndexOutOfBoundsException
What is the result?()
A.collie
B.harrier
C.Compilation fails.
D.collie harrier
E.An exception is thrown at runtime.
And the command-line invocations:
javac Pass2.java
java Pass2 5
What is the result?()
A.Compilation fails.
B.An exception is thrown at runtime.
C.doStuff x=6,main x =6
D.doStuff x=6,main x=7
E.doStuff x=7,main x=6
F.doStuff x=7,main x=7
What is the result?()
A.r, t, t,
B.r, e, o,
C.Compilation fails.
D.An exception is thrown at runtime.
Which code fragment, inserted at the end of line 12, produces the output p is 420?()
A.p.setWeight(420);
B.p.changePayload(420);
C.p = new Payload(420);
D.Payload.setWeight(420);
E.p = Payload.setWeight(420);
Which statement is true about the objects referenced by snoog, snooch, and booch immediately after line 23 executes?()
A.None of these objects are eligible for garbage collection.
B.Only the object referenced by booth is eligible for garbage collection.
C.Only the object referenced by snoog is eligible for garbage collection.
D.Only the object referenced by snooch is eligible for garbage collection.
E.The objects referenced by snooch and booth are eligible for garbage collection.
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 classes defined in two different files:
What is required at line 5 in class SomeApp to use the process method of BitUtils?()
A.process(bytes);
B.BitUtils.process(bytes);
C.util.BitUtils.process(bytes);
D.SomeApp cannot use methods in BitUtils.
E.import util.BitUtils.*; process(bytes);
What is the result?()
A.Compilation of class A fails.
B.Line 28 prints the value 3 to System.out.
C.Line 28 prints the value 1 to System.out.
D.A runtime error occurs when line 25 executes.
E.Compilation fails because of an error on line 28.
Which code, inserted at line 15, creates an instance of the Point class defined in Line?()
A.Point p = new Point();
B.Line.Point p = new Line.Point();
C.The Point class cannot be instatiated at line 15.
D.Line l = new Line(); l.Point p = new l.Point();
最新试题
Which two statements are true?()
Given that Triangle implements Runnable, and:Which two statements, inserted independently at both lines 35 and 41, tend to allow both threads to temporarily pause and allow the other thread to execute?()
Which statement is true?()
Given a class whose instances, when found in a collection of objects, are sorted by using the compareTo() method, which two statements are true?()
What is the result?()
A programmer must create a generic class MinMax and the type parameter of MinMax must implement Comparable. Which implementation of MinMax will compile?()
Which two changes, taken together, would guarantee the output: 1, 2, 3, 4, 5?()
Which code, inserted at line 4, guarantees that this program will output [1, 2]?()
Which three changes should be made to adapt this class to be used safely by multiple threads?()
A programmer iterates over the TreeSet and prints the name of each Drink object. What is the result?()