Thread: what's the error with this?

can you please tell me what is the wrong with this java code??

 
public class MainFrame
{
	   public  int OrgPnt1_X;
	   public  int OrgPnt1_y;
	   public  int OrgPnt2_x;
	   public  int OrgPnt2_y;
	   public  int H_Magnitude;
	   public  int V_Magnitude;
 
	MainFrame(int horz_dim, int vert_dim)
	{
		H_Magnitude=horz_dim;
	    V_Magnitude=vert_dim;
 
	    OrgPnt1_X=0;
	    OrgPnt1_y=0;
	    OrgPnt2_x=horz_dim;
	    OrgPnt2_y=vert_dim;
	}
	public void setSize(int dim1, int dim2)
	{
		H_Magnitude=dim1;
		V_Magnitude=dim2;
	}
	public void defineWorkGrid(int pnt1x, int pnt1y,int Pnt2x, int Pnt2y)
	{
		if ( (OrgPnt1_X > OrgPnt2_X) || (OrgPnt1_Y > OrgPnt2_Y ) )
		{
			OrgPnt1_X=Pnt2x;
			    OrgPnt1_y=Pnt2y;
			        OrgPnt2_X=pnt1x;
			            OrgPnt2_y=pnt1y;
		}
        if((OrgPnt1_X==OrgPnt2_x) && (OrgPnt1_Y > OrgPnt2_y) )
        {
        	OrgPnt1_X=0 ;
        	    OrgPnt1_Y=0 ;
        	        OrgPnt2_X=Pnt2x ;
        	            OrgPnt2_Y=Pnt2y ;       	
        }
        else
        {
        	OrgPnt1_X=pnt1x;
        		OrgPnt1_Y=pnt1y;
        			OrgPnt2_X=Pnt2x;
        				OrgPnt2_Y=Pnt2y;       					
        }
	}//end of the method
}// end of the class	
 
 
class SubFrame extends MainFrame
{
	SubFrame(int horz_dim, int vert_dim)
	{
		super(horz_dim,vert_dim);
	}
}// end of the class

the error message reads the following:
--------------------Configuration: <Default>--------------------
D:\javafiles\MainFrame.java:27: cannot find symbol
symbol : variable OrgPnt2_X
location: class MainFrame
if ( (OrgPnt1_X > OrgPnt2_X) || (OrgPnt1_Y > OrgPnt2_Y ) )
^
D:\javafiles\MainFrame.java:27: cannot find symbol
symbol : variable OrgPnt1_Y
location: class MainFrame
if ( (OrgPnt1_X > OrgPnt2_X) || (OrgPnt1_Y > OrgPnt2_Y ) )
^
D:\javafiles\MainFrame.java:27: cannot find symbol
symbol : variable OrgPnt2_Y
location: class MainFrame
if ( (OrgPnt1_X > OrgPnt2_X) || (OrgPnt1_Y > OrgPnt2_Y ) )
^
D:\javafiles\MainFrame.java:31: cannot find symbol
symbol : variable OrgPnt2_X
location: class MainFrame
OrgPnt2_X=pnt1x;
^
D:\javafiles\MainFrame.java:34: cannot find symbol
symbol : variable OrgPnt1_Y
location: class MainFrame
if((OrgPnt1_X==OrgPnt2_x) && (OrgPnt1_Y > OrgPnt2_y) )
^
D:\javafiles\MainFrame.java:37: cannot find symbol
symbol : variable OrgPnt1_Y
location: class MainFrame
OrgPnt1_Y=0 ;
^
D:\javafiles\MainFrame.java:38: cannot find symbol
symbol : variable OrgPnt2_X
location: class MainFrame
OrgPnt2_X=Pnt2x ;
^
D:\javafiles\MainFrame.java:39: cannot find symbol
symbol : variable OrgPnt2_Y
location: class MainFrame
OrgPnt2_Y=Pnt2y ;
^
D:\javafiles\MainFrame.java:44: cannot find symbol
symbol : variable OrgPnt1_Y
location: class MainFrame
OrgPnt1_Y=pnt1y;
^
D:\javafiles\MainFrame.java:45: cannot find symbol
symbol : variable OrgPnt2_X
location: class MainFrame
OrgPnt2_X=Pnt2x;
^
D:\javafiles\MainFrame.java:46: cannot find symbol
symbol : variable OrgPnt2_Y
location: class MainFrame
OrgPnt2_Y=Pnt2y;
^
11 errors

Process completed.

OrgPnt2_x != OrgPnt2_X

PS- Variable names should start with a lower-case letter.