Why is it important to test the installation medium? How can you do so?
What will be an ideal response?
It is important to verify the integrity of a downloaded image to ensure that
it will be functional and that it has not been tampered with.
You can test the installation medium by selecting the Test this media in the
Boot menu (Figure 3-4), by clicking Verify in the Software/Installation
Source screen during installation (page 74), or by using manually using
sha256sum before installation
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When an application uses many components, instead of extending just one class from the JFrame class, a better approach is to:
A) break the application into several smaller applications B) reconsider the design of the application C) encapsulate smaller groups of related components and their event listeners into their own classes D) just go ahead and do it in one large class
Which of the following sets of statements creates a multidimensional array with 3 rows, where the first row contains 1 value, the second row contains 4 items and the final row contains 2 items?
a. int[][] items; items = new int[3][?]; items[0] = new int[1]; items[1] = new int[4]; items[2] = new int[2]; b. int[][] items; items = new int[3][]; items[0] = new int[1]; items[1] = new int[4]; items[2] = new int[2]; c. int[][] items; items = new int[?][?]; items[0] = new int[1]; items[1] = new int[4]; items[2] = new int[2]; d. int[][] items; items[0] = new int[1]; items[1] = new int[4]; items[2] = new int[2];
Which of the following ways to format text into columns fills the left column entirely with text and then continues the text into the next column?
A. edit column B. tabs C. tables D. columns
What is the purpose of changing the tab order of a form?
What will be an ideal response?