2004S2TestQuestions - COMPSCI 101 S2 THE UNIVERSITY OF...

COMPSCI 101 S2
THE UNIVERSITY OF AUCKLAND
SECOND SEMESTER, 2004
COMPUTER SCIENCE
Principles of Programming
TEST – Question Sheet
(Time allowed: 75 MINUTES)
INSTRUCTIONS:
• Attempt ALL questions
• Write all answers in the Answer Sheet provided
• Calculators are NOT permitted
Multi-choice Questions (60 marks – 2 marks each)
For each of the following questions, please write your answer on the answer sheet. Write only the
letter corresponding to the answer you have chosen. Write the appropriate letter in CAPITALS,
using pen.
1. Choose the variable declaration from the items listed below:
(a) int max;
(b) a = 3;
(c) Math.max(a,b)
(d) "Max is "
(e) "Max is " + max
2. What output is produced by the following code?
int a = 0;
int b = 7;
a = b;
b = a;
System.out.println(a + b);
Choose the correct output from the list below:
(a) 0
(b) 00
(c) 7
(d) 14
(e) 77

Question Sheet
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2
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COMPSCI 101 S2
3. What output is produced by the following code?
int a = 1;
double b = 7.5;
a = (int)b;
b = (double)a;
System.out.println(a + b);
Choose the correct output from the list below:
4. What output is produced by the following code?
System.out.println(21 / 2 * 2.0);
Choose the correct output from the list below:
5. What output is produced by the following code?
System.out.println(3.0 / 2 * 3);
Choose the correct output from the list below:
6. What output is produced by the following code?
System.out.println(3.0 * 3 / 2);
Choose the correct output from the list below:
(a) 0.0
(b) 1.5
(c) 3.0
(d) 4.0
(e) 4.5

Question Sheet
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3
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COMPSCI 101 S2
7. What output is produced by the following code?
System.out.println("\\\"+\\");
Choose the correct output from the list below:
8. What output is produced by the following code?
System.out.println(23%5);
Choose the correct output from the list below:
9. What output is produced by the following code?
System.out.println(5 % 3 + 3 % 5);
Choose the correct output from the list below:
10. What output is produced by the following code?
System.out.println(2.0 + 3 + "1" + 2.0 + 3);
Choose the correct output from the list below:
(a) 5.015.0
(b) 11.0
(c) 2.0315.0
(d) 5.012.03
(e) 2.0312.03

Question Sheet
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4
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COMPSCI 101 S2
11. What output is produced by the following code?
int i = 4;
i += 3;
i -= 1;
System.out.println(i);
Choose the correct output from the list below: