Answered Essay: The java program will

The java program will

Display a welcome message

Repeat the following sequence until the “quit” command is entered

Display “Command: “

Gets a line of input

Tokenize the input line

If the first token of the line is “quit”

Then exit the loop and terminate the program

Else process a command

Implement the following commands providing appropriate error messages if used incorrectly:

Pickup item

Drop item

Go direction

Save

Quit

Example output:

Welcome the game!

Command: go north south

Too many arguments!

Command: go north

Going north

Command: pickup

Pick up what?

Command: pickup fork

Fork was picked up

Command: drop axe

axe was dropped

Command: save

Gamed saved

Command: quit

Expert Answer

 

Here is game Java program:

Game Java:

import java.util.Scanner;

class game

{

public static void main(String args[])

{

String Command;

String[] words;

Scanner input=new Scanner(System.in);

System.out.println(“Welcome the game!”);

while(true)

{

System.out.println(“Command: “);

Command=input.nextLine();

words=Command.split(“\s+”); //split command into string array

if(words.length>2)

System.out.println(“Too Many Arguments!”);

else

if(words[0].equals(“go”))

System.out.println(“Going “+words[1]);

else

if(words[0].equals(“pickup”))

{

System.out.println(“Pick up What? “);

System.out.println(“Command: “);

Command=input.nextLine();

words=Command.split(“\s+”);

System.out.println(words[1]+” was picked up”);

}

else

if(words[0].equals(“drop”))

{

System.out.println(words[1]+” was dropped”);

}

else

if(words[0].equals(“save”))

{

System.out.println(“Game saved”);

}

else

if(words[0].equals(“quit”))

System.exit(0);

}

}

}

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