• BufferedReader (p. 753)
• is in java.io
• is public
• provides a buffered stream of character-based input
• constructor takes a Reader as a paramater
• has a public method readLine() which
• returns a String
• throws an IOException

• InputStreamReader (p. 817)
• is in java.io
• is public
• is derived from Reader
• returns an input stream of characters
• constructor takes an InputStream as a parameter

· System (p. 876)

o is in java.lang

o is public

o is final

o is derived from Object

o contains the standard input, output and error streams

o contains the following

§ public static PrintStream err

· standard error output stream (stderr)

§ public static InputStream in

· standard input stream (stdin)

§ public static PrintStream out

· standard output stream (stdout)

• InputStream (p. 816)
• is in java.io
• is public
• is abstract
• is derived from Object

• IOException (p. 546-548)
• http://java.sun.com/j2se/1.5.0/docs/api/index.html
• is a checked exception which means
• the exception must be caught OR
• methods that propagate it must list it in a throws clasue of the method header

· Reader

· http://java.sun.com/j2se/1.5.0/docs/api/index.html

·

· Scanner (p. 864)

· http://java.sun.com/j2se/1.5.0/docs/api/index.html

o is in java.util

o is public

o has been modified

o is a text scanner that can parse primitive stypes and strings

o has following public methods

§ nextInt() returns an int

§ nextFloat() returns a float

§ nextLong() returns a long

§ nextShort() returns a short

§ nextDouble() returns a double

§ nextByte () returns a byte

§ nextBoolean() returns a boolean

§ hasNext() returns a boolean