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Thread: why i still receive these errors

  1. #1
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    Default why i still receive these errors

    this code gives me the following errors,
    why?
    --------------------Configuration: <Default>--------------------
    D:\javafiles\Image Matching Algorithm\ImageMatchingAlgorithm2.java:107: cannot find symbol
    symbol : variable getDimX
    location: class SubWindow2
    System.out.println("sw.getDimX ="+sw.getDimX+" "+"sw.getDimY ="+sw.getDimY);
    ^
    D:\javafiles\Image Matching Algorithm\ImageMatchingAlgorithm2.java:107: cannot find symbol
    symbol : variable getDimY
    location: class SubWindow2
    System.out.println("sw.getDimX ="+sw.getDimX+" "+"sw.getDimY ="+sw.getDimY);
    ^
    D:\javafiles\Image Matching Algorithm\ImageMatchingAlgorithm2.java:108: cannot find symbol
    symbol : variable getDimX
    location: class SubWindow2
    System.out.println("sw.getDimX ="+sw.getDimX+" "+"sw.getDimY ="+sw.getDimY);
    ^
    D:\javafiles\Image Matching Algorithm\ImageMatchingAlgorithm2.java:108: cannot find symbol
    symbol : variable getDimY
    location: class SubWindow2
    System.out.println("sw.getDimX ="+sw.getDimX+" "+"sw.getDimY ="+sw.getDimY);
    ^
    4 errors

    Process completed.


     
    import  java.util.*;
    import  java.lang.*;
     
     
    public class ImageMatchingAlgorithm2
    {
    	int swaped1;
    	int swaped2;
    	int isolated;
     
    	public boolean hasReversed(int mw_axis, int sw_axis)
    	{
    		if(sw_axis > mw_axis)
    			return true;
    			       return false;	
    	}
     
    	public boolean isTangible (int mw_axis, int sw_axis)
    	{
    		if (mw_axis == sw_axis)
    			return true;
    			       return false;
    	}
     
    	public void doIsolate(int mw_axis)
    	{
    		isolated=mw_axis-1;
    	}
    	public int getIsolated()
    	{
    		return isolated;
    	}
    	public void doSwap(int coor1, int coor2)
    	{
    		swaped1=coor2;
    		swaped2=coor1;
    	}
    	public int getMWSwapedDim()
    	{
    		return swaped1;
    	}
    	public int getSWSwapedDim()
    	{
    		return swaped2;
    	}
     
    	public static void main (String[] args) 
    	{
    		int scanx;
    		int scany;
    		Scanner readDim = new Scanner(System.in);
     
    		MainWindow2 mw = new MainWindow2();
    		SubWindow2  sw = new SubWindow2();
    		ImageMatchingAlgorithm2 Obj = new ImageMatchingAlgorithm2();
     
     
    		int [] CorrlationMatrix=new int [sw.correlationSize()];
     
    		    System.out.print("Dimension of MW X axis:");
    		    scanx=readDim.nextInt();
    	        mw.setDimX(scanx);
    		              System.out.print("Dimension of MW Y axis:");
    		              scany=readDim.nextInt();
    		              mw.setDimY(scany);
    		                        System.out.print("Dimension of SW X axis:");
    	                         	scanx=readDim.nextInt();
    		                        sw.setDimX(scanx);
    		                                  System.out.print("Dimension of SW Y axis:");
    		                                  scany=readDim.nextInt();
    		                                  sw.setDimY(scany);
     
    	 	    if (Obj.hasReversed(mw.getDimX(), sw.getDimX()) )
    	 	    {
    			     Obj.doSwap(mw.getDimX(), sw.getDimX());
    			     mw.setDimX(Obj.getMWSwapedDim());
    			     sw.setDimX(Obj.getSWSwapedDim());
    	 	    }    
    		                if (Obj.isTangible(mw.getDimX(), sw.getDimX()))
    		                {
    		                     Obj.doIsolate(mw.getDimX());
    			                 sw.setDimX(Obj.getIsolated());
    		                }
    		                            if (Obj.hasReversed(mw.getDimY(), sw.getDimY()) )
    	 	                            {
    			                             Obj.doSwap(mw.getDimY(), sw.getDimY());
    			                             mw.setDimY(Obj.getMWSwapedDim());
    			                             sw.setDimY(Obj.getSWSwapedDim());
    	 	                            }    
    		                                       if (Obj.isTangible(mw.getDimY(), sw.getDimY()))
    		                                       {
    		                                           Obj.doIsolate(mw.getDimY());
    			                                       sw.setDimY(Obj.getIsolated());
    		                                       }		                                   	
     
                int [][]MainGrid = mw.setPixelValues( mw.defGrid(mw.getDimX(),mw.getDimY()) );
                int [][]SubGrid = sw.setPixelValues( sw.defGrid(sw.getDimX(),sw.getDimY()) );
     
                mw.display();
                sw.display();
     
     
                //for(int i=0;i<t.length;i++)
                //	 for (int j=0;j<t[0].length;j++)
     
                sw.initCoor(MainGrid);
                System.out.println("sw.getDimX ="+sw.getDimX+" "+"sw.getDimY ="+sw.getDimY);
                System.out.println("sw.getDimX ="+sw.getDimX+" "+"sw.getDimY ="+sw.getDimY);
                //System.out.println(r);
                System.out.println();
                System.out.println();
     
                /*do{           
     
                        int sum=0;    
                        int rounds=0;    
     
                      for(int i=sw.getCoorX0();i<((sw.swDimx-1)+sw.getCoorX0());i++)
                      {
                           for (int j=sw.getCoorY0();j<((sw.swDimy-1)+sw.getCoorY0());j++)
                           {
                                    sum+=MainGrid[i][j];
                           }
                      }               
            	                    CorrlationMatrix[rounds]=sum;
            	                    rounds++;
            	                    if (sw.HasVerticalOverLap())
                   	                {
                		                sw.Vertical_Shift();
                		                sw.CarryBack();
                	                }
                	                sw.Horizontal_Shift();
            	                    System.out.print(sum+" ");
     
                  }while(!sw.notDone());           */
                 //System.out.print("\n"+sw.initCoor()+"\n");
     
    		    //System.out.println(mw.getDimX()+" "+mw.getDimY());
    		    //System.out.println(sw.getDimX()+" "+sw.getDimY());                   		
     
     
    	}
    }


  2. #2
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    Cool Re: why i still receive these errors

    First of all, have a look at the below points:

    1) Use
    code goes here
    when you post your code.

    2) Don't create new threads for same problems. You were supposed to post these errors on your previous thread only.

    Now, coming back to your errors, they are the same. Even after clearly mentioning your errors, you are not accessing the methods in the right way.

    sw.getDimX is accessing variable named getDimX [which doesn't exist in your code].

    sw.getDimX() is accessing method named getDimX(). [Notice the bracket ().]

    So either declare the variables getDimX and getDimY or access the methods in right way.

    Please check the solution provided here

    Hope thats clear!
    Goldest
    Java Is A Funny Language... Really!

    Sun: Java Coding Conventions

    Click on THANKS if you like the solution provided.
    Click on Star if you are really impressed with the solution.

  3. The Following User Says Thank You to goldest For This Useful Post:

    JavaPF (December 17th, 2010)

  4. #3
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    Default Re: why i still receive these errors

    thank you for your help
    it works now.

    and sorry for being unfamiliar with the forum rules

  5. #4
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    Default Re: why i still receive these errors

    1-would you please give me a simplified example of Encapsulation and Ploymorphism?
    2-either both of the fore-mentioned techniques were applied in my java code" the one you corrected to me"??

  6. #5
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    Talking Re: why i still receive these errors

    There are so many reference sites providing the information about java's OOPS concepts. You can refer to any of them.

    For now, these are the two links which I find useful for starters.

    For Polymorphism : Click here
    For Encapsulation : Click here

    Hope that helps!
    Goldest
    Java Is A Funny Language... Really!

    Sun: Java Coding Conventions

    Click on THANKS if you like the solution provided.
    Click on Star if you are really impressed with the solution.

  7. #6
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    Default Re: why i still receive these errors

    And I have deliberately not commented on your second point above,
    2-either both of the fore-mentioned techniques were applied in my java code" the one you corrected to me"??

    Because I want you to find it out on your own. After reading good documentation about OOPS, you will be surely able to find that out.

    Best of luck!
    Goldest
    Java Is A Funny Language... Really!

    Sun: Java Coding Conventions

    Click on THANKS if you like the solution provided.
    Click on Star if you are really impressed with the solution.

  8. #7
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    Default Re: why i still receive these errors

    thank you
    i'm trying to find out

  9. #8
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    Default Re: why i still receive these errors

    You are Welcome and let us know when you find it out.
    Java Is A Funny Language... Really!

    Sun: Java Coding Conventions

    Click on THANKS if you like the solution provided.
    Click on Star if you are really impressed with the solution.

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