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  1. #1
    taxalot is offline Member
    Join Date
    Dec 2013
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    Default Text string not recognized

    Hello all ! First post, first silly question. I am so very new to this, I just went through most of Java for Dummies.

    My goal right now is to make my own homemade exercises. I have set myself to program a very simple text adventure (two rooms, simple commands, etc). And very early in the process here comes a hurdle.

    Here's the source code so far.

    Java Code:
    import java.util.Scanner;
    public class main {
    	 * @param args
    	public static void main(String[] args) {
    		// TODO Auto-generated method stub
    		// Variables
    		int game = 1; // keeps the game running
    		String Action; // what the player does 
    		// Instances
    		Scanner myScanner = new Scanner(;
    		// These are the different rooms, each room is a string array
    		// 0 =  Full description
    		// 1 = Short description
    		// 2 = already been in room
    		String test[];
    		test = new String[3];
    		test[0] = "You are inside the white house. It is well furnished and lacking in furniture. There is a staircase going up.";
    		test[1] = "Inside the white house";
    		test[2] = "0";
    		// select the active room
    		String room[];
    		room = new String[3];
    		room = test;
    		// display room
    						while (game ==1) {
    							if (room[2] == "1") {System.out.println(room[1]);}
    							if (room[2] == "0") {System.out.println(room[0]) ; room[2] = "1";}
    							System.out.println("Your move ?");
    							Action = myScanner.nextLine();
    							if (Action == "look") 
    							{room [2] = "1";
    							if (Action == "short")

    What it is supposed to do is :
    if i type "Look" I get the lengthy description of the room. If I type "short", I get the short description. (I know, it's a lousy game). The problem is that, well, it doesn't work. The program seems to be looping, displaying the short description after one run of the long one.

    I seem to have found what the issue is, but cannot resolve it : the text string I input is not "recognized" by the "if" statement. I have tried to change "Action" into a int, and it seems to almost work provided I use numbers instead of the text commands.

    What am I doing wrong ?

    Thanks all the help in advance.

  2. #2
    SurfMan's Avatar
    SurfMan is offline Godlike
    Join Date
    Nov 2012
    The Netherlands
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    Default Re: Text string not recognized

    Always compare Strings using .equals() and not ==. So it would become: if ( Action.equals("short") ) {...}.

    I'll mention proper Java naming convention when you are a bit further in your learning curve :)
    "It's not fixed until you stop calling the problem weird and you understand what was wrong." - gimbal2 2013

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