Which of the following is false?

a. JFrame is a lightweight component.
b. JFrame is a subclass of Frame (which is a subclass of Window).
c. JFrames have a title bar and a border.
d. A JFrame window will look like all other windows displayed on that platform.

a. JFrame is a lightweight component.

Computer Science & Information Technology

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In principle, recursion is never necessary. It can always be replaced by an iterative construct, such as while or until. Rewrite makepath (page 1066) as a nonrecursive function. Which version do you prefer? Why?

What will be an ideal response?

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What is the printout of the following code?

``` List list = new ArrayList<>(); list.add("A"); list.add("B"); list.add("C"); list.add("D"); for (int i = 0; i < list.size(); i++) System.out.print(list.remove(i));``` a. ABCD b. AB c. AC d. AD e. ABC

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You open the dialog box in the accompanying figure by clicking Options on the ___________ tab.

A. Project B. File C. Edit D. Summary

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The ____ keys move the active cell to the first column of the first row.

A. Ctrl+Home B. Shift+Home C. Alt+Home D. Esc+Home

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Computer Science & Information Technology