Primitive or Fundamental Data Types

Integer data type

The integer data type comprises all positive and negative whole numbers. We use the int keyword to define the integer data type. A variable of int type is allocated 4 bytes of memory. It can store any value from -2³¹ to 2³¹-1.

int integer_number = 100;

💡Do you know? If you store 100.5 in a variable of integer type, it would be truncated to 100.

Floating-point data type

The floating-point data type contains a number with a fractional part. We use the float keyword to define the floating-point data type. A variable of a float type is allocated 4 bytes of memory. It can store any value in the range of $±3.40$ ...