What is the result？（）
A.r， t， t，
B.r， e， o，
C.Compilation fails.
D.An exception is thrown at runtime.
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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（）；
What is the result？（）
A.Mr. John Doe
B.An exception is thrown at runtime.
C.Compilation fails because of an error in line 12.
D.Compilation fails because of an error in line 15.
E.Compilation fails because of an error in line 20.
Which code， inserted at line 15， allows the class Sprite to compile？（）
A.Foo{public int bar（）{return 1；}}
B.new Foo{public int bar（）{return 1；}}
C.new Foo（）{public int bar（）{return 1；}}
D.new class Foo{public int bar（）{return 1；}}
Given：
package com.sun.scjp；
public class Geodetics {
public static final double DIAMETER = 12756.32； //kilometers
}
Which two correctly access the DIAMETER member of the Geodetics class？（）
A.A
B.B
C.C
D.D
What is the result？（）
A.12，4
B.The code runs with no output.
C.An exception is thrown at runtime.
D.Compilation fails because of an error in line 21.
E.Compilation fails because of an error in line 22.
F.Compilation fails because of an error in line 31.
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A programmer is developing a class Key， that will be used as a key in a standard java.util.HashMap. Which two methods should be overridden to assure that Key works correctly as a key？（）
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What is the appropriate definition of the hashCode method in class Person？（）
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