Java 6 Illuminated: An Active Learning Approach, 2nd Edition

Useful Methods of the Double Wrapper Class

Return value Method name and argument list

double parseDouble( String s )

static method that converts the String s to a double and returns

that value.Throws a NumberFormatException.

Double valueOf( String s )

static method that converts the String s to a Double object and

returns that object.Throws a NumberFormatException.

Enum

Package: java.lang

Description: provides for creation of enumerated types

Useful Methods for enum Objects

Return value Method name and argument list

int compareTo( Enum eObj )

compares two enum objects and returns a negative number if this

object is less than the argument,a positive number ...