Java Programming Quiz

What is the primary purpose of the Java Virtual Machine (JVM)?

• To manage memory

• To execute Java bytecode

• To compile Java code

• To provide a user interface

Which of the following is a feature of Java?

• Pointer arithmetic

• Operator overloading

• Multiple inheritance

• Platform independence

What does the 'static' keyword indicate in Java?

• The method can be overridden

• The method is abstract

• The method belongs to the class rather than instances

• The method is private

Which of the following is NOT a Java data type?

• string

• int

• boolean

• float

What is the output of the following code: System.out.println(5 + 5);?

• 5 + 5

• 55

• 10

• Error

Which of the following is used to handle exceptions in Java?

• for loop

• if-else statement

• switch-case statement

• try-catch block

What is the purpose of the 'this' keyword in Java?

• To refer to the current object

• To create a new instance

• To call a superclass method

• To access static variables

Which of the following collections allows duplicate elements?

• Queue

• Set

• List

• Map

What is the default value of a boolean variable in Java?

• true

• false

• 0

• null

Which of the following is a valid way to declare an array in Java?

• int[] arr;

• arr[] int;

• Both A and C

• int arr[];