SophiaPretty

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    Strayer,Devery,Harvard University
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Category > Computer Science Posted 08 Nov 2017 My Price 7.00

Which method of a JList returns -1 if no item in the list is selected?

  1. Which method of a JList returns -1 if no item in the list is selected?

A. getSelectedIndex

B. getSelectedValue

C. getIndex

D. getValue

 

 

2. Which is a proper loop to walk through all the elements of the arrayList cities?

A. for(int index = 0; index < cities.length(); index++)

 

B.for(int index = 1; index <= cities.length(); index++)

 

C. for(int index = 0; index < cities.size(); index++)

 

D. for(int index = 1; index < =cities.size(); index++)

 

 

3. Which of the following is false regarding overriding of the toString method?

A. toString method must have no parameters.

B. toString method must have parameters.

C. The string representation of the object is determined by the programmer.

D. toString method must return a String.

Answers

SophiaPretty
(5)
Status NEW Posted 08 Nov 2017 02:11 PM My Price 7.00

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