Class Stdin

java.lang.Object
  Stdin

public class Stdin
extends Object

The Stdin class reads text from standard input. The class contains the same readLine method as BufferedReader and adds methods to read all the Java primitive data types with integrated error checking. It also handles EOF.

This class is not meant to be instantiated.

Full documentation for the classes in the hsa package available at:
http://www.holtsoft.com/java/hsa_package.html

Version:

2.0 99/02/01

Author:

Tom West

Field Summary

protected static TextInputFile

in

Constructor Summary

Stdin()

Method Summary

static void	close() Closes Stdin to further reading.
static boolean	eof() Returns whether there is an eof before the next token.
static boolean	readBoolean() Read a boolean from standard input.
static byte	readByte() Read an 8-bit integer (a "byte") from standard input.
static char	readChar() Read a single character from standard input.
static double	readDouble() Read a double precision floating point number (a "double") from standard input.
static float	readFloat() Read a floating point number (a "float") from standard input.
static int	readInt() Read a 32-bit integer (an "int") from standard input.
static String	readLine() Read a full line of text from standard input.
static long	readLong() Read a 64-bit integer (a "long") from standard input.
static short	readShort() Read a 16-bit integer (a "short") from standard input.
static String	readString() Read a token from standard input.

Methods inherited from class java.lang.Object

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

Field Detail

in

protected static TextInputFile in

Constructor Detail

Stdin

public Stdin()

Method Detail

close

public static void close()

Closes Stdin to further reading.

eof

public static boolean eof()

Returns whether there is an eof before the next token.

Returns:

Whether there is an eof before the next token

readBoolean

public static boolean readBoolean()

Read a boolean from standard input. The actual text entered must be either "true" or "false" although case is irrelvant.

Returns:

The boolean value read from the file.

readByte

public static byte readByte()

Read an 8-bit integer (a "byte") from standard input. The actual text entered be a number from -128 to 127.

Returns:

The byte value read from standard input.

readChar

public static char readChar()

Read a single character from standard input.

Returns:

The character read from standard input.

readDouble

public static double readDouble()

Read a double precision floating point number (a "double") from standard input.

Returns:

The double value read from standard input.

readFloat

public static float readFloat()

Read a floating point number (a "float") from standard input.

Returns:

The float value read from standard input.

readInt

public static int readInt()

Read a 32-bit integer (an "int") from standard input. The actual text entered must be a number from -2147483648 to 2147483647.

Returns:

The int value read from standard input.

readLine

public static String readLine()

Read a full line of text from standard input.

Returns:

The line of text read from standard input.

readLong

public static long readLong()

Read a 64-bit integer (a "long") from standard input.

Returns:

The long value read from standard input.

readShort

public static short readShort()

Read a 16-bit integer (a "short") from standard input. The actual text entered must be a number from -32768 to 32767.

Returns:

The short value read from standard input.

readString

public static String readString()

Read a token from standard input.

Returns:

The token read from standard input.