Given：

Which code fragment， inserted at the end of line 12， produces the output p is 420？（）

单项选择题Given： What is the result？（）

A.1
B.2
C.12
D.Compilation fails.
E.No output is produced.

单项选择题Given: What is the result？（）

A.The file will compile without error.
B.Compilation fails. Only line 7 contains an error.
C.Compilation fails. Only line 12 contains an error.
D.Compilation fails. Only line 13 contains an error.
E.Compilation fails. Only lines 7 and 12 contain errors.

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 theclasspath 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

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

单项选择题Given： What is the result？（）

A.s 14
B.s 16
C.s 10
D.Compilation fails.