What&ensp;is&ensp;the&ensp;result？（）

单项选择题 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.

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1.单项选择题 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；}}

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2.多项选择题 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

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3.单项选择题 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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4.单项选择题 When line 14 is reached， how many objects are eligible for the garbage collector？（）

A.0
B.1
C.2
D.3
E.4
F.6

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5.单项选择题 Which code should be inserted at line 1 of Demo.java to compile and run Demo toprint "pizzapizza"？（）

A.import utils.*；
B.static import utils.*；
C.import utils.Repetition.*；
D.static import utils.Repetition.*；
E.import utils.Repetition.twice（）；
F.import static utils.Repetition.twice；
G.static import utils.Repetition.twice；

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6.单项选择题 What is the result？（）

A.test
B.null
C.An exception is thrown at runtime.
D.Compilation fails because of an error in line 1.
E.Compilation fails because of an error in line 4.
F.Compilation fails because of an error in line 5.

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7.单项选择题 Which code， inserted at line 14， allows the Sprite class to compile？（）

A.Direction d = NORTH；
B.Nav.Direction d = NORTH；
C.Direction d = Direction.NORTH；
D.Nav.Direction d = Nav.Direction.NORTH；

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8.单项选择题 Given a correctly compiled class whose source code is：

Assume that the class file is located in /foo/com/sun/sjcp/， the current directory is /foo/， and that the classpath contains "." （current directory）.
Which command line correctly runs Commander？（）

A.java Commander
B.java com.sun.sjcp.Commander
C.java com/sun/sjcp/Commander
D.java -cp com.sun.sjcp Commander
E.java -cp com/sun/sjcp Commander

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9.单项选择题A class games.cards.Poker is correctly defined in the jar file Poker.jar. A user wants to execute the main method of Poker on a UNIX system using the command： java games.cards.Poker What allows the user to do this？（）

A.put Poker.jar in directory /stuff/java，and set the CLASSPATH to include /stuff/java
B.put Poker.jar in directory /stuff/java，and set the CLASSPATH to include /stuff/java/*.jar
C.Put Poker.jar in directory /stuff/java，and set the CLASSPATH to include /stuff/java/Poker.jar
D.put Poker.jar in directory /stuff/java/games/cards，and set the CLASSPATH to include /stuff/java
E.put Poker.jar in directory /stuff/java/games/cards，and set the CLASSPATH to include /stuff/java/*.jar
F.put Poker.jar in directory /stuff/java/games/cards，and set the CLASSPATH to include /stuff/java/Poker.jar

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10.单项选择题 What is the result？（）

A.s=14
B.s=16
C.s=10
D.Compilation fails.
E.An exception is thrown at runtime.

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