java.util.Scanner #243
Description
A simple text scanner which can parse primitive types and strings using regular expressions.
-------------- Write junit test for the following methods --------------------
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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)
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Scanner(Path source, String charsetName)
Constructs a new Scanner that produces values scanned from the specified file. -
Scanner(Path source, Charset charset)
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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.