Answer the following statements true (T) or false (F)
1. More than one destructor function may be defined for a class.
2. You can use the technique known as a member intialization list to initialize members of a class.
3. In-place member initialization no longer is available in C++11.
4. In object-oriented programming, the object encapsulates both the data and the functions that operate on the data.
5. You must declare all data members of a class before you declare member functions.
1. F
2. T
3. F
4. T
5. F
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Which set of statements totals the items in each row of two-dimensional array items, and displays each row’s total?
a.``` for (int row = 0; row < items.length; row++) { int total = 0; for (int column = 0; column < items[row].length; column++) { total += items[row][column]; System.out.printf("Row %d's total is %d%n", row, total); } ``` b.``` int total = 0; for (int row = 0; row < items.length; row++) { for (int column = 0; column < items[row].length; column++) { total += items[row][column]; } System.out.printf("Row %d's total is %d%n", row, total); } ``` c.``` int total = 0; for (int row = 0; row < items.length; row++) { for (int column = 0; column < items[column].length; column++) { total += items[row][column]; } System.out.printf("Row %d's total is %d%n", row, total); } ``` d. ``` for (int row = 0; row < items.length; row++) { int total = 0; for (int column = 0; column < items[column].length; column++) { total += items[row][column]; } System.out.printf("Row %d's total is %d%n", row, total); } ```
A(n) __________ is like a pointer. It is used to access the individual data elements in a container.
a. element access operator b. subscript indicator c. global data finder d. iterator e. None of these
If your program can run in 125 seconds on an old computer (call it computer A) but 84 seconds on a new computer (call it computer B), what is the speedup?
A: 1.29 B: 1.39 C: 1.94 D: 1.49 E: 1.59
Which method does NOT return a node list or HTML collection??
A. ?getElementById() B. ?getElementsByTagName() C. ?getElementsByClassName() D. ?getElementsByName()