corejava
Class Console

java.lang.Object
  corejava.Console

public class Console
extends Object

Constructor Summary

Console()

Method Summary

static void	printPrompt(String prompt) print a prompt on the console but don't print a newline
static double	readDouble(String prompt) read a floating point number from the console.
static int	readInt(String prompt) read an integer from the console.
static String	readString() read a string from the console.
static String	readString(String prompt) read a string from the console.
static String	readWord() read a word from the console.

Methods inherited from class java.lang.Object

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

Constructor Detail

Console

public Console()

Method Detail

printPrompt

public static void printPrompt(String prompt)

print a prompt on the console but don't print a newline

Parameters:

prompt - the prompt string to display

readString

public static String readString()

read a string from the console. The string is terminated by a newline

Returns:

the input string (without the newline)

readString

public static String readString(String prompt)

read a string from the console. The string is terminated by a newline

Parameters:

prompt - the prompt string to display

Returns:

the input string (without the newline)

readWord

public static String readWord()

read a word from the console. The word is any set of characters terminated by whitespace

Returns:

the 'word' entered

readInt

public static int readInt(String prompt)

read an integer from the console. The input is terminated by a newline

Parameters:

prompt - the prompt string to display

Returns:

the input value as an int

Throws:

NumberFormatException - if bad input

readDouble

public static double readDouble(String prompt)

read a floating point number from the console. The input is terminated by a newline

Parameters:

prompt - the prompt string to display

Returns:

the input value as a double

Throws:

NumberFormatException - if bad input