2011SSTestQuestions

2011SSTestQuestions - CompSci 101 CONTINUED THE UNIVERSITY...

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Unformatted text preview: CompSci 101 CONTINUED THE UNIVERSITY OF AUCKLAND SUMMER SEMESTER, 2011 Campus: City COMPUTER SCIENCE TEST Principles of Programming (Time Allowed: 75 minutes) NOTE: You must answer all questions in this test. No calculators are permitted Answer in the space provided in this booklet. There is space at the back for answers that overflow the allotted space. Surname Forenames Student ID Login (UPI) Lab Time Q1 (/12) Q4 (/10) Q7 (/7) Q10 (/8) Q2 (/9) Q5 (/6) Q8 (/10) Q11 (/8) Q3 (/12) Q6 (/8) Q9 (/10) Total /100 Question/Answer Sheet - Page 2 - CompSci 101 ID: ........................................................... CONTINUED Question 1 (12 marks) a) What is the output produced by the following code? int a = 4; int b = 6; double c = b % a; System.out.println(a + a + ", " + b * c + 1); (2 marks) b) What is the output produced by the following code? int a = 1; double b = a + 0.1; System.out.println("" + a + b + (int) b); (2 marks) Question/Answer Sheet - Page 3 - CompSci 101 ID: ........................................................... CONTINUED c) What is the output produced by the following code? double factor = 0.99; int max = 10; int result = (int) factor * max + 2; System.out.println(result); (2 marks) d) What is the output produced by the following code? String letters = "ABCDEFGH"; int n1 = letters.indexOf('B'); int n2 = letters.indexOf('E'); int n3 = letters.length(); System.out.println(n1 + n2 + letters.substring(0, n2) + n3); (2 marks) Question/Answer Sheet - Page 4 - CompSci 101 ID: ........................................................... CONTINUED e) What is the output produced by the following code? String a = new String("abcd"); String b = new String("aBcD"); String c = new String("ABCD"); String d = b.toLowerCase(); if ( a == d ) { System.out.println("1"); } if ( a.substring(0,2).equals( d.substring(0,2) ) ) { System.out.println("2"); } if ( b.substring(1,2).equals( c.substring(1,2) ) ) { System.out.println("3"); } (2 marks) f) What is the output produced by the following code? int a = 1; int b = 2; String s = a + "(" + (a == b) + ")" + b; System.out.println(s.length()); (2 marks) Question/Answer Sheet - Page 5 - CompSci 101 ID: ........................................................... CONTINUED Question 2 (9 marks) a) Complete the header for the process() method. private ____________ process ( ____________ a ____________ b) { int c; if (b) { c = a / 2; } else { c = a * 2; } return c + "-" + b; } (3 marks) b) Complete the header for the process() method. public class Program { public void start() { if ( process(1, "2", '3') ) { //... } } private ____________ process (____________ a, ____________ b, ____________ c ) { // .......
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This note was uploaded on 03/01/2012 for the course COMPSCI 101 taught by Professor Adrianaferraro during the Summer '12 term at Auckland.

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2011SSTestQuestions - CompSci 101 CONTINUED THE UNIVERSITY...

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