CC103 - Final Exam

Which of the following is not a primitive data type in Java?

• int

• float

• string

• char

What is the output of the following code snippet?

• J

• o

• h

• Invalid Code

In Java, which statement is used to implement decision-making?

• for

• while

• if

• do-while

What loop construct in Java is used when the number of iterations is not known beforehand?

• for

• while

• do-while

• if-else

Which data structure in Java is used to store a fixed-size sequential collection of elements of the same type?

• ArrayList

• LinkedList

• Arrays

• HashSet

Which data structure allows you to represent a group of constants in Java?

• Enum type

• Bit Set

• Vector

• Stacks

Which data structure in Java follows the Last In First Out (LIFO) principle?

• Dictionary

• Hash Tables

• Stacks

• Enum Type

Which data structure allows you to store key-value pairs in Java?

• Hash Tables

• Bit Set

• Vector

• Linked List

Which interface in Java represents a group of objects as a single unit?

• Collection Interface

• Set Interface

• List Interface

• Map Interface

Which data structure in Java automatically sorts its elements in ascending order?

• Hash Set

• Tree Set

• Linked List

• Collection Interface