Package stdlib

Class StdOut

java.lang.Object

stdlib.StdOut

public final class StdOut
extends Object

Standard output. This class provides methods for writing strings and numbers to standard output.

For additional documentation, see Section 1.5 of Introduction to Programming in Java: An Interdisciplinary Approach by Robert Sedgewick and Kevin Wayne.

Field Summary

Fields

Modifier and Type	Field	Description
private static final String	charsetName
private static boolean	doNothing
private static PrintWriter	out
private static final Locale	US_LOCALE

Constructor Summary

Constructors

Modifier	Constructor	Description
private	StdOut()

Method Summary

Modifier and Type	Method	Description
static void	close()	Close standard output.
static void	doNothing()	Makes it so that this class does nothing; handy for performance testing (Added by James Riely 2014/02/23.)
static void	format(String format, Object... args)	Print a formatted string to standard output using the specified format string and arguments, and flush standard output.
static void	format(Locale locale, String format, Object... args)	Print a formatted string to standard output using the specified locale, format string, and arguments, and flush standard output.
static void	main(String[] args)
static void	print()	Flush standard output.
static void	print(boolean x)	Print a boolean to standard output and flush standard output.
static void	print(byte x)	Print a byte to standard output and flush standard output.
static void	print(char x)	Print a char to standard output and flush standard output.
static void	print(double x)	Print a double to standard output and flush standard output.
static void	print(float x)	Print a float to standard output and flush standard output.
static void	print(int x)	Print an int to standard output and flush standard output.
static void	print(long x)	Print a long to standard output and flush standard output.
static void	print(short x)	Print a short to standard output and flush standard output.
static void	print(Object x)	Print an Object to standard output and flush standard output.
static void	printf(String format, Object... args)
static void	printf(Locale locale, String format, Object... args)
static void	println()	Terminate the current line by printing the line separator string.
static void	println(boolean x)	Print a boolean to standard output and then terminate the line.
static void	println(byte x)	Print a byte to standard output and then terminate the line.
static void	println(char x)	Print a char to standard output and then terminate the line.
static void	println(double x)	Print a double to standard output and then terminate the line.
static void	println(float x)	Print a float to standard output and then terminate the line.
static void	println(int x)	Print an int to standard output and then terminate the line.
static void	println(long x)	Print a long to standard output and then terminate the line.
static void	println(short x)	Print a short to standard output and then terminate the line.
static void	println(Object x)	Print an object to standard output and then terminate the line.
static void	toFile(String filename)	Redirect to a file.

Methods inherited from class java.lang.Object

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

Field Details

charsetName

private static final String charsetName

See Also:

• Constant Field Values

US_LOCALE

private static final Locale US_LOCALE

out

private static PrintWriter out

doNothing

private static boolean doNothing

Constructor Details

StdOut

private StdOut()

Method Details

close

public static void close()

Close standard output.

println

public static void println()

Terminate the current line by printing the line separator string.

println

public static void println(Object x)

Print an object to standard output and then terminate the line.

println

public static void println(boolean x)

Print a boolean to standard output and then terminate the line.

println

public static void println(char x)

Print a char to standard output and then terminate the line.

println

public static void println(double x)

Print a double to standard output and then terminate the line.

println

public static void println(float x)

Print a float to standard output and then terminate the line.

println

public static void println(int x)

Print an int to standard output and then terminate the line.

println

public static void println(long x)

Print a long to standard output and then terminate the line.

println

public static void println(short x)

Print a short to standard output and then terminate the line.

println

public static void println(byte x)

Print a byte to standard output and then terminate the line.

print

public static void print()

Flush standard output.

print

public static void print(Object x)

Print an Object to standard output and flush standard output.

print

public static void print(boolean x)

Print a boolean to standard output and flush standard output.

print

public static void print(char x)

Print a char to standard output and flush standard output.

print

public static void print(double x)

Print a double to standard output and flush standard output.

print

public static void print(float x)

Print a float to standard output and flush standard output.

print

public static void print(int x)

Print an int to standard output and flush standard output.

print

public static void print(long x)

Print a long to standard output and flush standard output.

print

public static void print(short x)

Print a short to standard output and flush standard output.

print

public static void print(byte x)

Print a byte to standard output and flush standard output.

format

public static void format(String format,
 Object... args)

Print a formatted string to standard output using the specified format string and arguments, and flush standard output.

printf

public static void printf(String format,
 Object... args)

format

public static void format(Locale locale,
 String format,
 Object... args)

Print a formatted string to standard output using the specified locale, format string, and arguments, and flush standard output.

printf

public static void printf(Locale locale,
 String format,
 Object... args)

toFile

public static void toFile(String filename)

Redirect to a file. This is a hack to get programs to work easily in eclipse. (Added by James Riely 2012/01/12.)

doNothing

public static void doNothing()

Makes it so that this class does nothing; handy for performance testing (Added by James Riely 2014/02/23.)

main

public static void main(String[] args)