Java Programming Quiz

What is a package in Java?

• A collection of classes and interfaces

• A single class

• A method

• A variable

What keyword is used to import a package in Java?

• import

• include

• require

• using

What is the purpose of the CLASSPATH variable?

• To locate and load .class files

• To locate executable files

• To set the Java version

• To define package names

What does the Math.abs() method do?

• Returns the absolute value

• Returns the maximum value

• Returns the minimum value

• Rounds off the decimal number

What is the significance of the Object class in Java?

• It is the parent class of all classes

• It is a utility class

• It is an interface

• It is a package

What is the purpose of the try-catch block?

• To handle exceptions

• To define methods

• To create classes

• To import packages

Fill in the blank: The ______ class is used to perform basic numeric operations.

What is the output of the following code: System.out.println("Hello World");?

• Hello World

• Hello

• World

• No output

What is the main purpose of using enums in Java?

• To define a set of named constants

• To create classes

• To implement interfaces

• To inherit from other classes

What does the compareTo() method do in Java enums?

• Compares this enum with the specified object for order

• Checks if two enums are equal

• Returns the hash code for the enum constant

• Returns the name of the enum constant