CSCI 2010 – Mock Midterm Exam (MCQs) with Answer Key | Practice Test & Study Guide

🖥️ CSCI 2010 – Mock Midterm Exam
(MCQs) with Answers key
Section A: Java Basics & Output

1. If you compile a Java source file containing a class called MyApp, what is the name of the
resulting file?​
A. MyApp.java​
B. MyApp.class​
C. MyApp.txt​
D. MyApp.exe



2. Given the code:

String greeting = "Hello there!";
System.out.println(greeting.length());


What is displayed?​
A. 11​
B. 12​
C. 13​
D. 14



3. Which object is used to display normal output to the screen?​
A. Scanner​
B. System.out​
C. Console​
D. PrintStream



4. Which statement reads an integer from the keyboard?​
A. number = keyboard.readInt();​
B. number = keyboard.nextInt();​
C. number = System.in.readInt();​
D. number = Scanner.next();

, 5. Which keyword is NOT required when declaring a named constant?​
A. final​
B. void​
C. public​
D. static



6. The Java compiler translates source code into:​
A. Machine code​
B. Assembly code​
C. Bytecode​
D. Object code



7. Which is used to display formatted output?​
A. System.out.print()​
B. System.out.println()​
C. System.out.printf()​
D. print.format()




Section B: Classes & Objects

8. What is the relationship between a class and an object?​
A. A class is a blueprint for creating objects​
B. An object is a blueprint for creating classes​
C. Classes and objects are equivalent​
D. Objects cannot exist without classes



9. Which of the following does NOT increase the value of number by 1?​
A. number += 1​
B. number + 1​
C. number = number + 1​
D. number++



10. Correct way to test if two strings s1 and s2 are exactly the same:​
A. s1 == s2​
B. s1.equals(s2)​
C. s1.compareTo(s2)​
D. s1.equalsIgnoreCase(s2)