In C, the array name and index of the desired element are combined by listing the index in ____ after the array name.
A. parentheses
B. square braces
C. curly braces
D. dashes
Answer: B
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A multiline comment begins with a /* and ends with a */.
Answer the following statement true (T) or false (F)
Analyze the following code:
``` public class Test { public static void main(String[] args) { int[] x = new int[5]; int i; for (i = 0; i < x.length; i++) x[i] = i; System.out.println(x[i]); } } ``` a. The program displays 0 1 2 3 4. b. The program displays 4. c. The program has a runtime error because the last statement in the main method causes ArrayIndexOutOfBoundsException. d. The program has a compile error because i is not defined in the last statement in the main method.
To avoid duplicating code, use ________, rather than ________.
a. inheritance, the “copy-and-past” approach. b. the “copy-and-paste” approach, inheritance. c. a class that explicitly extends Object, a class that does not extend Object. d. a class that does not extend Object, a class that explicitly extends Object.
Which of the following commands executes a rollback?
A. ROLLBACK TABLE; B. ROLLBACK; C. ROLLBACK ALL; D. ROLLBACK DB;