Which is the correct syntax for placing the string “boat” into an ArrayList name recVehicles in position 3 for the first time?
(a) recVehicles.set(3, “boat”);
(b) recVehicles.set(“boat”, 3);
(c) recVehicles.add(3, “boat”);
(d) recVehicles.add(“boat”, 3);
(c) recVehicles.add(3, “boat”);
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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]; ```
In the 2-D array declaration: int matrix[10][20]; the rows are represented by which number?
A. 20 B. 2 C. 10 D. A and C
A meter reading for a good cable wire shows
A) 0 ohms B) 0 volts C) Infinite ohms D) Infinite volts
____________________ links are links to web pages in the same website.
Fill in the blank(s) with the appropriate word(s).