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);


您可能感兴趣的试卷

你可能感兴趣的试题

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.

最新试题

Click the Exhibit buttonWhich two statements are true if a NullPointerException is thrown on line 3 of class C?()

题型:多项选择题

Given:What is the result?()

题型:单项选择题

Given: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?()

题型:多项选择题

Given:What is the result?()

题型:单项选择题

Given:Which line of code marks the earliest point that an object referenced by intObj becomes a candidate for garbage collection?()

题型:单项选择题

Given:What is the result?()

题型:单项选择题

Given:What is the result?()

题型:单项选择题

Given:What is the result?()

题型:单项选择题

A team of programmers is involved in reviewing a proposed design for a new utility class. After some discussion, they realize that the current design allows other classes to access methods in the utility class that should be accessible only to methods within the utility class itself.What design issue has the team discovered?()

题型:单项选择题

Click the Exhibit button.What is the result?()

题型:单项选择题