StdIn

object StdIn extends StdIn
trait StdIn
class Object
trait Matchable
class Any

Value members

Inherited methods

Reads a boolean value from an entire line of the default input. Has a fairly liberal interpretation of the input.

Returns

the boolean value read, or false if it couldn't be converted to a boolean

Throws
java.io.EOFException

if the end of the input stream has been reached.

Inherited from
StdIn
Source
StdIn.scala
def readByte(): Byte

Reads a byte value from an entire line of the default input.

Returns

the Byte that was read

Throws
java.io.EOFException

if the end of the input stream has been reached.

java.lang.NumberFormatException

if the value couldn't be converted to a Byte

Inherited from
StdIn
Source
StdIn.scala
def readChar(): Char

Reads a char value from an entire line of the default input.

Returns

the Char that was read

Throws
java.io.EOFException

if the end of the input stream has been reached.

java.lang.StringIndexOutOfBoundsException

if the line read from default input was empty

Inherited from
StdIn
Source
StdIn.scala

Reads a double value from an entire line of the default input.

Returns

the Double that was read.

Throws
java.io.EOFException

if the end of the input stream has been reached.

java.lang.NumberFormatException

if the value couldn't be converted to a Float

Inherited from
StdIn
Source
StdIn.scala

Reads a float value from an entire line of the default input.

Returns

the Float that was read.

Throws
java.io.EOFException

if the end of the input stream has been reached.

java.lang.NumberFormatException

if the value couldn't be converted to a Float

Inherited from
StdIn
Source
StdIn.scala
def readInt(): Int

Reads an int value from an entire line of the default input.

Returns

the Int that was read

Throws
java.io.EOFException

if the end of the input stream has been reached.

java.lang.NumberFormatException

if the value couldn't be converted to an Int

Inherited from
StdIn
Source
StdIn.scala
def readLine(text: String, args: Any*): String

Print and flush formatted text to the default output, and read a full line from the default input. Returns null if the end of the input stream has been reached.

Value Params
args

the parameters used to instantiate the format, as in printf.

text

the format of the text to print out, as in printf.

Returns

the string read from the default input

Inherited from
StdIn
Source
StdIn.scala

Read a full line from the default input. Returns null if the end of the input stream has been reached.

Returns

the string read from the terminal or null if the end of stream was reached.

Inherited from
StdIn
Source
StdIn.scala
def readLong(): Long

Reads an long value from an entire line of the default input.

Returns

the Long that was read

Throws
java.io.EOFException

if the end of the input stream has been reached.

java.lang.NumberFormatException

if the value couldn't be converted to a Long

Inherited from
StdIn
Source
StdIn.scala

Reads a short value from an entire line of the default input.

Returns

the short that was read

Throws
java.io.EOFException

if the end of the input stream has been reached.

java.lang.NumberFormatException

if the value couldn't be converted to a Short

Inherited from
StdIn
Source
StdIn.scala
def readf(format: String): List[Any]

Reads in some structured input (from the default input), specified by a format specifier. See class java.text.MessageFormat for details of the format specification.

Value Params
format

the format of the input.

Returns

a list of all extracted values.

Throws
java.io.EOFException

if the end of the input stream has been reached.

Inherited from
StdIn
Source
StdIn.scala
def readf1(format: String): Any

Reads in some structured input (from the default input), specified by a format specifier, returning only the first value extracted, according to the format specification.

Value Params
format

format string, as accepted by readf.

Returns

The first value that was extracted from the input

Inherited from
StdIn
Source
StdIn.scala
def readf2(format: String): (Any, Any)

Reads in some structured input (from the default input), specified by a format specifier, returning only the first two values extracted, according to the format specification.

Value Params
format

format string, as accepted by readf.

Returns

A scala.Tuple2 containing the first two values extracted

Inherited from
StdIn
Source
StdIn.scala
def readf3(format: String): (Any, Any, Any)

Reads in some structured input (from the default input), specified by a format specifier, returning only the first three values extracted, according to the format specification.

Value Params
format

format string, as accepted by readf.

Returns

A scala.Tuple3 containing the first three values extracted

Inherited from
StdIn
Source
StdIn.scala