搜题

【单选题】

Given classes defined in two different files:<br /> <img src="https://nimg.ppkao.com/2018-08/longzhengxuan/2018080210231563286.jpg?sign=b91e73c4ef345903792170ec33496a6e&t=62d5458c" /><br /> What is required at line 5 in class SomeApp to use the process method of BitUtils?（）

A、process(bytes);

B、BitUtils.process(bytes);

C、app.BitUtils.process(bytes);

D、util.BitUtils.process(bytes);

E、import util.BitUtils.*; process(bytes);

F、SomeApp cannot use the process method in BitUtils.

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第1题

[] Given: Which code, inserted at line 15, creates an instance of the Point class defined in Line?（） Given: Which code, inserted at line 15, creates an instance of the Point class defined in Line?（）

A、A.Point p = new Point(); B、B.Line.Point p = new Line.Point(); C、C.The Point class cannot be instatiated at line 15. D、D.Line l = new Line() ; l.Point p = new l.Point();

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第2题

[多选题] Given a class whose instances, when found in a collection of objects, are sorted by using the compareTo（　）method, which two statements are true?（）

A、The class implements java.lang.Comparable. B、The class implements java.util.Comparator. C、The interface used to implement sorting allows this class to define only one sort sequence. D、The interface used to implement sorting allows this class to define many different sort sequences.

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第3题

[] Given two files, GrizzlyBear.java and Salmon.java: If both classes are in the correct directories for their packages, and the Mammal class correctly defines the findSalmon() method, which change allows this code to compile?（） Given two files, GrizzlyBear.java and Salmon.java: If both classes are in the correct directories for their packages, and the Mammal class correctly defines the findSalmon() method, which change allows this code to compile?（）

A、A.add import animals.mammals.*; at line 2 in Salmon.java B、B.add import animals.fish.*; at line 2 in GrizzlyBear.java C、C.add import animals.fish.Salmon.*; at line 2 in GrizzlyBear.java D、D.add import animals.mammals.GrizzlyBear.*; at line 2 in Salmon.java

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第4题

[多选题] Which two statements are true of login classes?（）

A、Users can be members of multiple login classes. B、Login classes define authorization parameters for a user. C、There are five system-defined login classes. D、Login class permission flags can be overridden for certain commands.

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第5题

[单选题] 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);

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第6题

[多选题] Given a class whose instances， when found in a collection of objects， are sorted by using the compareTo（） method， which two statements are true？（）

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第7题

[单选题] 在VFP中，创建一个新类，使用的命令是（）。

A、CREATE CLASS B、ADD CLASS C、DEFINE CLASS D、MODIFY CLASS

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第8题

[多选题] Given a class whose instances， when found in a collection of objects， are sorted by using the compare To method， which two statements are true？（）

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第9题

[单选题] 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、app.BitUtils.process（bytes）； D、Util.BitUtils.process（bytes）； E、Importutil.BitUtils.*；process（bytes）； F、Some App can not use the process method in BitUtils.

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