单项选择题

Given:

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);


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1.单项选择题

Given:

What is the result?()

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

2.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.

4.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

5.单项选择题

Given:

What is the result?()

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

6.单项选择题

Given:

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

7.单项选择题

Given:

What is the result?()

A.1
B.2
C.12
D.Compilation fails.
E.No output is produced.
F.An exception is thrown at runtime.