integers in java
what is datatype?
Defines what type of data your variable will hold. Means depending upon the type of data, datatype is associated with the variable.
Example:
If you want to store whether user is login or not, use Boolean.
In this video we will discuss integer datatypes in detail which are as follow.
integers data types:
Byte
short
int
long
What are integers in java?
whole numbers that starts from the 0 to infinite, but in java they are finite.
Can be positive or negative.
Byte?
byte's width is 1 byte i.e. 8 bits.
its range is from -128 to 127.
Short?
short's width is 2 byte i.e. 16 bits.
its range is from -32768 to 32767.
Int?
int's width is 2 byte i.e. 16 bits.
its range is from -2147483648 to 2147483647.
long?
long's width is 2 byte i.e. 16 bits.
its range is from -9223372036854775808 to 9223372036854775807.
NOTE:
width is the size of memory each datatype occupies.
range is the minimum and maximum values that a datatype can hold.
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