When you don't provide an initial value for each of the elements in an int array, many C++ compilers initialize the uninitialized elements to what integer?
A. 1
B. -1
C. 0
D. ""
Answer: C
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Modify the Shipping Hub application created in this tutorial so that when the user double clicks a Parcel’s ID in parcelStateJList, that Parcel’s information will be displayed in a JOptionPane (Fig. 19.57). An empty method called parcelStateJListMouseDoubleClicked is provided for you. This method will exe- cute when an item in parcelStateJList is double clicked.You will add this exercise’s func- tionality to this method. At this point, you do not need to understand how to handle events related to the mouse—this will be covered in Tutorial 21.
a) Copying the template to your working directory. Copy the C:Examples Tutorial19ExercisesModifiedShippingHub directory to your C:SimplyJava directory.
b) Opening the template file. Open the ShippingHub.java file in your text editor.
c) Retrieving the selected Parcel’s ID. Find the parcelStateJListMouseDouble- Clicked method, which begins at line 593. Inside the parcelStateJListMouseDou- bleClicked method, declare variable int number to hold the number of the Parcel the user has selected to display. To do this, you need to call the getSelectedValue method of class JList. This method returns the item currently selected in the JList as an Object. You will need to convert this Object to a String, then to an Integer, before finally storing the value in number.
d) Creating the Iterator. To cycle through the Parcels in parcelsArrayList, you need to create an Iterator. Create an Iterator (parcelIterator) to iterate through parcelsArrayList.
e) Creating the while statement. Add a whi
The use of static teaming requires a switch that is compatible with what IEEE standard?
What will be an ideal response?
which of the following is not true when evaluating web articles for research?
a. you should not use an article if there is not an author listed b. you should evaluate the web articles for bias and relevance d. you can assume everything with an author listed is accurate and appropriate d. you should check any links in a web article to see if they are timely and relevant
A privacy concern is the inclusion of digital camera capabilities in most mobile phones today.
Answer the following statement true (T) or false (F)