Interger常用API

 

String	toBinaryString(int i)	Returns a string representation of the integer argument as an unsigned integer in base 2.
static String	toHexString​(int i)	Returns a string representation of the integer argument as an unsigned integer in base 16.
static String	toOctalString​(int i)	Returns a string representation of the integer argument as an unsigned integer in base 8.
String	toString​()	Returns a String object representing this Integer's value.
static String	toString​(int i)	Returns a String object representing the specified integer.
static Integer	valueOf​(int i)	Returns an Integer instance representing the specified int value.
static Integer	valueOf​(String s)	Returns an Integer object holding the value of the specified String.