Core Java Programming Course- Primitive Data Types in Java

The video tutorial covers primitive data types in Java, including integers (byte, short, int, long), fractions (float, double), characters, and booleans. It explains their sizes, ranges, default values, and how to declare and initialize them. The tutorial also discusses the rules for naming variables and introduces the non-primitive String type.

Which of the following is the correct size of a 'short' data type in Java?

• 8 bits

• 64 bits

• 32 bits

• 16 bits

What is the default value of an 'int' data type in Java?

• -1

• null

• 1

• 0

How many digits of precision can a 'float' data type have after the decimal point?

• 15 digits

• 10 digits

• 7 digits

• 5 digits

What suffix is used to indicate a 'float' value in Java?

• B

• L

• F

• D

What is the default value of a 'boolean' data type in Java?

• 0

• true

• false

• null

Which of the following is NOT a rule for naming variables in Java?

• Variable names cannot have spaces.

• Variable names can include underscores.

• Variable names can start with a number.

• Variable names can start with a dollar sign.

Which data type is not a primitive type but is frequently used in Java?

• char

• String

• int

• boolean