Integer Data Types in Java: memory and length : Integer Data Type « Data Type « Java Tutorial






  1. Java Tutorial
  2. Data Type
  3. Integer Data Type
  1. There are four types of integer data variables.
  2. They can store both negative and positive values.
Data TypeValueMemory
byte-128 -- +127occupy 1 byte (8 bits) in memory
short-32768 -- 32767occupy 2 bytes (16 bits) in memory
int-2147483648 -- 2147483647occupy 4 bytes (32 bits) in memory
long-9223372036854775808 -- 9223372036854775807occupy 8 bytes (64 bits) in memory










2.3.Integer Data Type
2.3.1.Integer Data Types in Java: memory and length
2.3.2.Integer Calculations
2.3.3.Add two integers, checking for overflow.
2.3.4.Multiply two integers, checking for overflow.
2.3.5.Subtract two integers, checking for overflow.
2.3.6.Binary and Decimal value table
2.3.7.Min and Max values of datatype int
2.3.8.Hexadecimal Numbers and its corresponding Decimal and binary value
2.3.9.Gets the maximum of three int values.
2.3.10.Gets the minimum of three int values.
2.3.11.Given an integer, return a string that is in an approximate, but human readable format
2.3.12.int array to byte array