Class Echo

java.lang.Object
  |
  +--Command
        |
        +--Echo

public class Echo

extends Command

The Echo class (a subclass of the abstract base class Command) implements the familiar unix command echo, which outputs its arguments separated by blanks and terminated by a newline. This class implements the abstract methods execute and getDescription inherited from the abstract base class Command.

Constructor Summary

Echo()

Method Summary

java.lang.String	execute(java.lang.String args) Executes the echo command and returns the result in the form of a String object.
java.lang.String	getDescription() Returns a description of the command.

Methods inherited from class Command

ExpandArgs

Methods inherited from class java.lang.Object

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

Constructor Detail

Echo

public Echo()

Method Detail

execute

public java.lang.String execute(java.lang.String args)

Executes the echo command and returns the result in the form of a String object.

Specified by:

execute in class Command

Parameters:

args - arguments for this command.

Returns:

the string result of executing the echo command.

getDescription

public java.lang.String getDescription()

Description copied from class: Command

Returns a description of the command.

Specified by:

getDescription in class Command

Returns:

the name of the command.