corejava
Class Console

java.lang.Object
  |
  +--corejava.Console

public class Console

extends java.lang.Object

An easy interface to read numbers and strings from standard input

Constructor Summary

Console()

Method Summary

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

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

Parameters:

prompt - the prompt string to display

readLine

public static java.lang.String readLine()

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

Returns:

the input string (without the newline)

readLine

public static java.lang.String readLine(java.lang.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)

readInt

public static int readInt(java.lang.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:

java.lang.NumberFormatException - if bad input

readDouble

public static double readDouble(java.lang.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:

java.lang.NumberFormatException - if bad input