CMSC 131 Quiz

What was the topic on Monday, September 23, 2019, related to software development?

• StringBuffers

• Returning Values

• Software Development

• Constructors

Which of the following topics was covered on Wednesday, September 18, 2019?

• Nested Loops

• Floating-Point Calculations

• Uninitialized Variables

• Short-Circuiting

What is the purpose of the .equals() method in Java?

• To compare two objects for equality

• To add two numbers

• To print a message to the console

• To terminate a loop

What does the "this" keyword refer to in Java?

• The current object

• A static method

• A local variable

• A global constant

What is the function of a "finally" block in exception handling?

• To execute code after a try-catch block, regardless of whether an exception was thrown

• To catch exceptions

• To declare a variable

• To initialize an array

What is an immutable class in Java?

• A class whose objects cannot be modified after creation

• A class that can be extended

• A class with only static methods

• A class that implements an interface

What is the purpose of the ternary operator in Java?

• To perform a conditional operation in a single line

• To declare a loop

• To define a class

• To handle exceptions

What is recursion in programming?

• A method that calls itself

• A loop that runs indefinitely

• A function that returns a random number

• A class that extends another class

What is the main topic covered on Friday, October 25, 2019?

• More Recursion Examples

• Abstraction and Encapsulation

• Recursive Array Methods

• Interfaces

Which topic is discussed on Monday, November 11, 2019, related to interfaces?

• The Comparable Interface

• Tail Recursion

• ArrayLists

• getClass and instanceof