Integer
1)
static int parseInt(String s)
Parses the string argument as a signed decimal integer.
2)
static int parseInt(String s, int radix)
Parses the string argument as a signed integer in the radix specified by the second argument.
3)
static Integer valueOf(String s)
Returns an Integer object holding the value of the specified String.
4)
static Integer valueOf(String s, int radix)
Returns an Integer object holding the value extracted from the specified String when parsed with the radix given by the second argument.
5)
Integer(String s)
Constructs a newly allocated Integer object that represents the int value indicated by the String parameter.