Que 7.)

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

  • true

  • false

  • null

  • 0

option_b

By default, boolean variables in Java are initialized to false.

Que 8.)

Which data type is used to store decimal numbers in Java?

  • int

  • float

  • boolean

  • char

option_b

The `float` data type is used to store decimal numbers in Java.

Que 9.)

How many bytes does a `char` take in Java?

  • 1 byte

  • 2 bytes

  • 4 bytes

  • 8 bytes

option_b

In Java, the `char` type uses 2 bytes as it stores Unicode characters.