Built-in Types of Data

What are built-in data types in Java?

• User-defined types created by programmers

• Predefined types provided by Java for variable declaration

• Classes that are used to build data structures

• Data types imported from external libraries

What is the size (in bytes) of a char data type in Java?

• 1 byte

• 2 bytes

• 4 bytes

• 8 bytes

What data type would you use to store a large decimal number?

• int

• float

• long

• double

Which of the following data types would you use to store a true/false value?

• char

• int

• boolean

• short

Which of the following are the two main categories of data types in Java?

• Static & Dynamic

• Built-in & Abstract

• Primitive & Non-Primitive

• Array & Interface

Why are built-in data types fundamental in Java programming?

• Reduce memory usage

• To create complex programs

• Basic building blocks for variable manipulation

• Support multiple operating systems

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

• int

• char

• String

• boolean

What is the size (in bytes) of the int data type in Java?

• 4 bytes

• 2 bytes

• 8 bytes

• 1 byte

What is the range of values that can be stored in the byte data type?

• -128 to 127

• 0 to 255

• -256 to 255

• -32,768 to 32,767

Which primitive data type is used to store single characters in Java?

• char

• string

• boolean

• byte