Question

Find the largest and smallest byte,short,int,long,float, and double. Which of these data types requires the least amount of memory?

Answer 1

double, long, float, short, byte

Explanation:

The given data types are built-in types. According to java, the following holds right to justify the order.

Double:

• This occupies 64 bits
• It can hold decimal values
• Example: "1.23456e300d, -1.23456e-300d, 1e1d"

Float:

• It occupies 32 bits
• Holds decimal values
• Example: "1.23e100f, -1.23e-100f, .3f, 3.14F"

Long:

• It occupies 64 bits
• Example: "-2L, -1L, 0L, 1L, 2L"

Short:

• It occupies 16 bits
• Stores twos complement integer

Byte:

• It occupies 8 bits

• Stores twos complement integer