Explain why you might see the characters ##### in a summary column.
What will be an ideal response?
The ###### characters in a column containing summary values indicate that the column is not wide enough to fit the results for Sum, Avg, Min, and Max and Standard. You need to widen the column.
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Consider the Java code segment below:
``` Polygon poly2 = new Polygon(); poly2.addPoint(100, 30); poly2.addPoint(100, 130); ``` Which of the following will create a polygon that is a square? a. poly2.addPoint(100, 60); poly2.addPoint(100, 130); b. poly2.addPoint(200, 130); poly2.addPoint(200, 30); c. poly2.addPoint(200, 60); poly2.addPoint(200, 130); d. poly2.addPoint(100, 130); poly2.addPoint(100, 230);
A "critical section" in a program is a block of code
A. that affects program efficiency B. that affects data integrity
Suppose that you have the following list. int[] list = {2, 4, 6, 8, 10, 12, 14, 16}; Further assume that binary search is used to determine whether 15 is in list. When the loop terminates, the value of the index variable last is 6.
Answer the following statement true (T) or false (F)
Why is setting tab order important? How can you change the tab order? What will the tab order be if you do not assign a tab order? How can you test the tab order?
What will be an ideal response?