jwo.utils
Class KeyboardInput

java.lang.Object
  |
  +--jwo.utils.KeyboardInput

public class KeyboardInput

extends Object

Class to handle keyboard input. Can prompt for user input using both standard input and graphical prompt; convert input string into numbers; and pick up conversion errors.

Version:

1.8.0, 8th November, 1998

Author:

Jo Wood.

Constructor Summary

KeyboardInput()
Creates a keyboardInput object that handles prompting and conversion of keyboard input.

Method Summary

char	getChar() Extracts the first letter of a string typed in on the keyboard.
double	getDouble() Extracts a double precision number from the keyboard input.
float	getFloat() Extracts a floating point number from the keyboard input.
int	getInt() Extracts an integer number from the keyboard input.
String	getString() Extracts a string typed in on the keyboard.
void	prompt(String promptText) Prompts the user to type in something from the keyboard.
void	prompt(String windowTitle, String promptText) Prompts the user to type in something from the keyboard.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

KeyboardInput

public KeyboardInput()

Creates a keyboardInput object that handles prompting and conversion of keyboard input.

Method Detail

prompt

public void prompt(String promptText)

Prompts the user to type in something from the keyboard. Uses standard input to gether input.

Parameters:

promptText - Message to prompt input with.

prompt

public void prompt(String windowTitle,
                   String promptText)

Prompts the user to type in something from the keyboard. Creates a graphical window to gether input.

Parameters:

windowTitle - Title of input window.

promptText - Message to prompt input with.

getInt

public int getInt()

Extracts an integer number from the keyboard input.

Returns:

Integer value extracted from keyboard input.

getFloat

public float getFloat()

Extracts a floating point number from the keyboard input.

Returns:

Floating point value extracted from keyboard input.

getDouble

public double getDouble()

Extracts a double precision number from the keyboard input.

Returns:

Double precision value extracted from keyboard input.

getString

public String getString()

Extracts a string typed in on the keyboard.

Returns:

String extracted from keyboard input.

getChar

public char getChar()

Extracts the first letter of a string typed in on the keyboard.

Returns:

First character extracted from keyboard input.