Java Quiz 1

Name

E mail

1)What is the extension name for javabytecode file?

• .class
• .Class
• .java
• .Java

2)Number of primitive data types in java?

• 8
• 3
• 5
• 6

3)Which of these cannot be used for a variable name in java?

• keyword
• identifiers
• keyword & identifiers
• none of the above

4)What is the size of float and double in java?

• 4 bytes and 6 bytes
• 2 bytes and 4 bytes
• 4 bytes and 8 bytes
• 8 bytes and 8 bytes

5)What is the size of bits for an 'int' variable?

• 32
• 64
• 16
• 24

6)JRE means:

• Java Runtime Environment
• Java Realtime Environment
• Java Readtime Environment
• None of the above

7)JVM means:

• Java Valid Machine
• Java Virtual Machine
• Java Virtuality Machine
• None of The Above

8) Which of the following is not a keyword in java?

• static
• boolean
• private
• void