sjm.imperative
Class PrintlnCommand

java.lang.Object
  |
  +--sjm.imperative.Command
        |
        +--sjm.imperative.PrintlnCommand

public class PrintlnCommand

extends Command

This command, when executed, prints out the value of a term provided in the constructor.

Field Summary

protected java.io.PrintWriter	out
protected Term	term

Constructor Summary

PrintlnCommand(Term term)
Construct a "print" command to print the supplied term.

PrintlnCommand(Term term, java.io.PrintWriter out)
Construct a "print" command to print the supplied term, printing to the supplied PrintWriter object.

Method Summary

void	execute() Print the value of this object's term onto the output writer.
java.lang.String	toString() Returns a string description of this print command.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

term

protected Term term

out

protected java.io.PrintWriter out

Constructor Detail

PrintlnCommand

public PrintlnCommand(Term term)

Construct a "print" command to print the supplied term.

Parameters:

Term - the term to print

PrintlnCommand

public PrintlnCommand(Term term,
                      java.io.PrintWriter out)

Construct a "print" command to print the supplied term, printing to the supplied PrintWriter object.

Parameters:

Term - the term to print

PrintWriter - where to print

Method Detail

execute

public void execute()

Print the value of this object's term onto the output writer.

Overrides:

execute in class Command

toString

public java.lang.String toString()

Returns a string description of this print command.

Overrides:

toString in class java.lang.Object

Returns:

a string description of this print command