Assignment #77 and Adventure 2

Code

    /// Name: Ali Kurland
    /// Period: 6
    /// Program Name: Adventure 2
    /// File Name: Adventure2.java
    /// Date Finished: 10/20/2015
    
    import java.util.Scanner;
    
    public class Adventure2
    {
      public static void main( String[] args )
      {
        Scanner keyboard = new Scanner(System.in);
    		
        int nextroom = 1;
        String choice = "";
    
        while ( nextroom != 0 )
        {
          if ( nextroom == 1 )
          {
            System.out.println( "\nYou are in a mysterious old house. Would you like to go up to the \"attic\" or down to the \"cellar\"?" );
            System.out.print( "> " );
            choice = keyboard.nextLine();
            if ( choice.equals("attic") )
              nextroom = 2;
            else if ( choice.equals("cellar") )
              nextroom = 3;
            else
              System.out.println( "\nThat's not a choice, silly!" );
          }
          else if ( nextroom == 2 )
          {
            System.out.println( "\nIn the attic, there is an old chest. You may either open the \"chest\" or go \"back\"." );
            System.out.print( "> " );
            choice = keyboard.nextLine();
            if ( choice.equals("back") )
              nextroom = 1;
            else if ( choice.equals("chest") )
              nextroom = 4;
            else
              System.out.println( "\nThat's not a choice, silly!" );
          }
          else if ( nextroom == 3 )
          {
            System.out.println( "\nYou go down the stairs into the cellar. In the cellar, you can hear growls and scratching sounds behind a tall door. Nearby, there is a large painting which has fallen off the wall to reveal a passageway behind it! Do you want to open the \"door\", explore the \"passageway\", or go \"back\"?" );
            System.out.print( "> " );
            choice = keyboard.nextLine();
            if ( choice.equals("back") )
              nextroom = 1;
            else if ( choice.equals("door") )
              nextroom = 5;
            else if ( choice.equals("passageway") )
              nextroom = 6;
            else
              System.out.println( "\nThat's not a choice, silly!" );
          }
          else if ( nextroom == 4 )
          {
            System.out.println( "\nYou open the chest to find a large pile of gold and jewels. You take the treasure and run away! You're rich! Hopefully noone comes looking for it..." );
            nextroom = 0;
          }
          else if ( nextroom == 5 )
          {
            System.out.println( "\nCautiously, you open the door. It's a puppy! Yay! A new pet!" );
            nextroom = 0;
          }
          else
          {
            System.out.println( "\nYou enter the dark, damp passageway. After walking down the twisting, turning hall for a long time, you end up back outside the house! Oh well..." );
            nextroom = 0;
          }
        }
        System.out.println( "\nTHE END\n" );
      }
    	
    }
    

Picture of the output