java.io
Class PrintWriter

Constructor Summary
`PrintWriter(String filename)` Creates a new PrintWriter, without automatic line flushing, with the specified file name.

Method Summary
`void`	`close()` Close the stream.
`void`	`println(String x)` Print a String.
`void`	`println(String x)` Print a String and then terminate the line.

java.io
Class FileInputStream

Constructor Summary
`FileInputStream(String name)` Creates a `FileInputStream` by opening a connection to an actual file, the file named by the path name `name` in the file system.

java.util
Class Scanner

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

Method Summary
`String`	`nextLine()` Advances this scanner past the current line and returns the input that was skipped.

java.util
Class StringTokenizer

Constructor Summary
`StringTokenizer(String str)` Constructs a string tokenizer for the specified string.
`StringTokenizer(String str, String delim)` Constructs a string tokenizer for the specified string.

Method Summary
`int`	`countTokens()` Calculates the number of times that this tokenizer's `nextToken` method can be called before it generates an exception.
`boolean`	`hasMoreTokens()` Tests if there are more tokens available from this tokenizer's string.
`String`	`nextToken()` Returns the next token from this string tokenizer.