Where should the variables that a program uses be defined?
A. At the end of a program
B. In the middle of a program
C. At the top of the program
D. When the code needs it
Answer: C
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Which of the following statements doubles the value stored in answer?
A) answer += 2; B) answer *= 2; C) answer = answer * 2; D) All three of the above E) Both B and C, but not A
What is the output of the following code?
``` public class Test5 { public static void main(String[] args) { int[][] matrix = {{1, 2, 3, 4}, {4, 5, 6, 7}, {8, 9, 10, 11}, {12, 13, 14, 15}}; for (int i = 0; i < 4; i++) System.out.print(matrix[1][i] + " "); } }``` a. 1 2 3 4 b. 4 5 6 7 c. 1 3 8 12 d. 2 5 9 13 e. 3 6 10 14
Answer the following statements true (T) or false (F)
1. UML consists of things, relationships, and diagrams. 2. Behavioral things describe how things work. 3. Structural diagrams are used to show the interaction between people and a use case. 4. A use case model describes what a system does without describing how the system does it.
Originally, the ____ specification was used to standardize Ethernet communication over fiber.
A. FIROL B. FIOS C. FLIOR D. FOIRL