java.util.Scanner

[dthongvl]

A simple text scanner which can parse primitive types and strings using regular expressions.

-------------- Write junit test for the following methods --------------------

• Scanner(Readable source)
  Constructs a new Scanner that produces values scanned from the specified source.

• Scanner(InputStream source)
  Constructs a new Scanner that produces values scanned from the specified input stream.

• Scanner(File source)
  Constructs a new Scanner that produces values scanned from the specified file.

• Scanner(Path source)
  Constructs a new Scanner that produces values scanned from the specified file.

• Scanner(String source)
  Constructs a new Scanner that produces values scanned from the specified string.

• Scanner(ReadableByteChannel source)
  Constructs a new Scanner that produces values scanned from the specified channel.

• Scanner(Readable source, Pattern pattern)
  Constructs a Scanner that returns values scanned from the specified source delimited by the specified pattern.

• Scanner(InputStream source, String charsetName)
  Constructs a new Scanner that produces values scanned from the specified input stream.

• Scanner(File source, String charsetName)
  Constructs a new Scanner that produces values scanned from the specified file.

• Scanner(File source, CharsetDecoder dec)

• Scanner(Path source, String charsetName)
  Constructs a new Scanner that produces values scanned from the specified file.

• Scanner(Path source, Charset charset)

• Scanner(ReadableByteChannel source, String charsetName)
  Constructs a new Scanner that produces values scanned from the specified channel.

• close()source
  Closes this scanner.

• findInLine(String pattern)
  Attempts to find the next occurrence of a pattern constructed from the specified string, ignoring delimiters.

• findInLine(Pattern pattern)
  Attempts to find the next occurrence of the specified pattern ignoring delimiters.

• findWithinHorizon(String pattern, int horizon)
  Attempts to find the next occurrence of a pattern constructed from the specified string, ignoring delimiters.

• findWithinHorizon(Pattern pattern, int horizon)
  Attempts to find the next occurrence of the specified pattern.

• hasNext()source
  Returns true if this scanner has another token in its input.

• hasNext(String pattern)
  Returns true if the next token matches the pattern constructed from the specified string.

• hasNext(Pattern pattern)
  Returns true if the next complete token matches the specified pattern.

• hasNextBigInteger()source
  Returns true if the next token in this scanner's input can be interpreted as a BigInteger in the default radix using the #nextBigInteger method. ...

• hasNextFloat()source
  Returns true if the next token in this scanner's input can be interpreted as a float value using the #nextFloat method.

• hasNextInt()source
  Returns true if the next token in this scanner's input can be interpreted as an int value in the default radix using the #nextInt method.

• hasNextInt(int radix)
  Returns true if the next token in this scanner's input can be interpreted as an int value in the specified radix using the #nextInt method.

• hasNextLine()source
  Returns true if there is another line in the input of this scanner.

• hasNextLong()source
  Returns true if the next token in this scanner's input can be interpreted as a long value in the default radix using the #nextLong method.

• hasNextShort()source
  Returns true if the next token in this scanner's input can be interpreted as a short value in the default radix using the #nextShort method. ...

• ioException()source
  Returns the IOException last thrown by this Scanner's underlying Readable.

• match()source
  Returns the match result of the last scanning operation performed by this scanner.

• next()source
  Finds and returns the next complete token from this scanner.

• next(String pattern)
  Returns the next token if it matches the pattern constructed from the specified string.

• next(Pattern pattern)
  Returns the next token if it matches the specified pattern.

• nextBoolean()source
  Scans the next token of the input into a boolean value and returns that value.

• nextDouble()source
  Scans the next token of the input as a double.

• nextFloat()source
  Scans the next token of the input as a float.

• nextInt()source
  Scans the next token of the input as an int.

• nextLine()source
  Advances this scanner past the current line and returns the input that was skipped.

• nextLong()source
  Scans the next token of the input as a long.

• nextShort()source
  Scans the next token of the input as a short.

• skip(Pattern pattern)
  Skips input that matches the specified pattern, ignoring delimiters.

• skip(String pattern)
  Skips input that matches a pattern constructed from the specified string.

• useDelimiter(Pattern pattern)
  Sets this scanner's delimiting pattern to the specified pattern.

• useDelimiter(String pattern)
  Sets this scanner's delimiting pattern to a pattern constructed from the specified String.

• useLocale(Locale locale)
  Sets this scanner's locale to the specified locale.

------------ Build the following methods ------------------

• Scanner(Readable source)
  Constructs a new Scanner that produces values scanned from the specified source.

• Scanner(InputStream source)
  Constructs a new Scanner that produces values scanned from the specified input stream.

• Scanner(File source)
  Constructs a new Scanner that produces values scanned from the specified file.

• Scanner(Path source)
  Constructs a new Scanner that produces values scanned from the specified file.

• Scanner(String source)
  Constructs a new Scanner that produces values scanned from the specified string.

• Scanner(ReadableByteChannel source)
  Constructs a new Scanner that produces values scanned from the specified channel.

• Scanner(Readable source, Pattern pattern)
  Constructs a Scanner that returns values scanned from the specified source delimited by the specified pattern.

• Scanner(InputStream source, String charsetName)
  Constructs a new Scanner that produces values scanned from the specified input stream.

• Scanner(File source, String charsetName)
  Constructs a new Scanner that produces values scanned from the specified file.

• Scanner(File source, CharsetDecoder dec)

• Scanner(Path source, String charsetName)
  Constructs a new Scanner that produces values scanned from the specified file.

• Scanner(Path source, Charset charset)

• Scanner(ReadableByteChannel source, String charsetName)
  Constructs a new Scanner that produces values scanned from the specified channel.

• close()source
  Closes this scanner.

• findInLine(String pattern)
  Attempts to find the next occurrence of a pattern constructed from the specified string, ignoring delimiters.

• findInLine(Pattern pattern)
  Attempts to find the next occurrence of the specified pattern ignoring delimiters.

• findWithinHorizon(String pattern, int horizon)
  Attempts to find the next occurrence of a pattern constructed from the specified string, ignoring delimiters.

• findWithinHorizon(Pattern pattern, int horizon)
  Attempts to find the next occurrence of the specified pattern.

• hasNext()source
  Returns true if this scanner has another token in its input.

• hasNext(String pattern)
  Returns true if the next token matches the pattern constructed from the specified string.

• hasNext(Pattern pattern)
  Returns true if the next complete token matches the specified pattern.

• hasNextBigInteger()source
  Returns true if the next token in this scanner's input can be interpreted as a BigInteger in the default radix using the #nextBigInteger method. ...

• hasNextFloat()source
  Returns true if the next token in this scanner's input can be interpreted as a float value using the #nextFloat method.

• hasNextInt()source
  Returns true if the next token in this scanner's input can be interpreted as an int value in the default radix using the #nextInt method.

• hasNextInt(int radix)
  Returns true if the next token in this scanner's input can be interpreted as an int value in the specified radix using the #nextInt method.

• hasNextLine()source
  Returns true if there is another line in the input of this scanner.

• hasNextLong()source
  Returns true if the next token in this scanner's input can be interpreted as a long value in the default radix using the #nextLong method.

• hasNextShort()source
  Returns true if the next token in this scanner's input can be interpreted as a short value in the default radix using the #nextShort method. ...

• ioException()source
  Returns the IOException last thrown by this Scanner's underlying Readable.

• match()source
  Returns the match result of the last scanning operation performed by this scanner.

• next()source
  Finds and returns the next complete token from this scanner.

• next(String pattern)
  Returns the next token if it matches the pattern constructed from the specified string.

• next(Pattern pattern)
  Returns the next token if it matches the specified pattern.

• nextBoolean()source
  Scans the next token of the input into a boolean value and returns that value.

• nextDouble()source
  Scans the next token of the input as a double.

• nextFloat()source
  Scans the next token of the input as a float.

• nextInt()source
  Scans the next token of the input as an int.

• nextLine()source
  Advances this scanner past the current line and returns the input that was skipped.

• nextLong()source
  Scans the next token of the input as a long.

• nextShort()source
  Scans the next token of the input as a short.

• skip(Pattern pattern)
  Skips input that matches the specified pattern, ignoring delimiters.

• skip(String pattern)
  Skips input that matches a pattern constructed from the specified string.

• useDelimiter(Pattern pattern)
  Sets this scanner's delimiting pattern to the specified pattern.

• useDelimiter(String pattern)
  Sets this scanner's delimiting pattern to a pattern constructed from the specified String.

• useLocale(Locale locale)
  Sets this scanner's locale to the specified locale.