Numeri interi

di

La rappresentazione interna è in complemento a 2.

Classe #byte #bit MIN_VALUE MAX_VALUE
byte Byte 1 8 -27
-128		 27-1
127
short Short 2 16 -215
-32768		 215-1
32767
int Integer 4 32 -231
-2147483648		 231-1
2147483647
long Long 8 64 -263
-9223372036854775808		 263-1
9223372036854775807

java.lang.Integer

public final class Integer extends Number implements Comparable
Costruttori
Integer(int)
Integer(String)
Metodi
byte 
byteValue()
short 
shortValue()
int 
intValue() parseInt(String)
Integer 
valueOf(int) valueOf(String)
long 
longValue()
float 
floatValue()
double 
doubleValue()
String 
toString() toString(int) toString(int, int)
 toBinaryString(int) toHexString(int) toOctalString(int)

java.lang.Long

public final class Long extends Number implements Comparable
Costruttori
Long(long)
Long(String)
Metodi
byte 
byteValue()
short 
shortValue()
int 
intValue()
long 
longValue() parseLong(String) parseLong(String, int)
Long 
valueOf(String) valueOf(String, int)
float 
floatValue()
double 
doubleValue()
String 
toString() toString(long) toString(long, int)
toBinaryString(long) toHexString(long) toOctalString(long)

java.lang.Byte

public final class Byte extends Number implements Comparable
Costruttori
Byte(byte)
Byte(String)
Metodi
byte 
byteValue() parseByte(String) parseByte(String, int)
Byte 
valueOf(String) valueOf(String, int)
short 
shortValue()
int 
intValue()
long 
longValue()
float 
floatValue()
double 
doubleValue()
String 
toString() toString(byte)

java.lang.Short

public final class Short extends Number implements Comparable
Costruttori
Short(short)
Short(String)
Metodi
byte 
byteValue()
short 
parseShort(String)
Short 
valueOf(String) valueOf(String, int)
int 
intValue()
long 
longValue()
float 
floatValue()
double 
doubleValue()
String 
toString() toString(short)