Start st = new Start();
pawn pn = new pawn();
if(st.getm_ChessBord(x, y)==null) {...}

Start a = new Start;

/**
 * This Class is the main class of all the check tools that will extend this class
 * will have a general stuff.
 * Color , name , position (source).
 */
public class CheckTool {
	
	private String 	m_Name;			// contain the color of the Soldier
	private String 	m_Color;		// contain the color of the Soldier
	private int 	m_Xsource;		// Contain the X coordination of the source position
	private int 	m_Ysource;		// Contain the Y coordination of the source position
	/**
	 * The Contractor that set for the default value 
	 */
	public CheckTool (String a_Name , String a_Color , int a_Xsource ,int a_Ysource)
	{
		m_Name 			=	a_Name; // getting the Soldier name
		m_Color			=	a_Color;		// setting the default 
		m_Xsource		= 	a_Xsource;		// setting the default
		m_Ysource		= 	a_Ysource;		// setting the default
	}
	/**
	 * This method set the color of the Soldier
	 * @param a_Color    - 		 hold a string with the color of the soldier
	 */
	public void setm_Color(String a_Color) 
	{		
		this.m_Color = a_Color;
	}
	/**
	 * This method getting the color of the Soldier
	 * @return the m_Color
	 */
	public String getm_Color()
	{
		return m_Color;
	}
	/**
	 * This method setting the X coordination of the soldier
	 * @param m_Xsource 	- 		hold the int of the X coordination of the soldier
	 */
	public void setm_Xsource(int a_Xsource)
	{
		this.m_Xsource = a_Xsource;
	}
	/**
	 * This method getting the X coordination of the soldier
	 * @return the m_Xsource
	 */
	public int getm_Xsource() 
	{
		return m_Xsource;
	}
	/**
	 * This method setting the Y coordination of the soldier
	 * @param m_Ysource 	- 		hold the int of the Y coordination of the soldier
	 */
	public void setm_Ysource(int a_Ysource)
	{
		this.m_Ysource = a_Ysource;
	}
	/**
	 * This method getting the Y coordination of the soldier
	 * @return the m_Ysource
	 */
	public int getm_Ysource() 
	{
		return m_Ysource;
	}
	/**
	 * This method setting the Soldier name
	 * @param m_Name the m_Name to set
	 */
	public void setm_Name(String a_Name) 
	{
		this.m_Name = a_Name;
	}
	/**
	 * This method getting the Soldier name
	 * @return the m_Name
	 */
	public String getm_Name() 
	{
		return m_Name;
	}
}

**
 * 
 * This Class will contain all the Program method's and process
 *
 */
public class Start {
	
	public static CheckTool m_ChessBord = new CheckTool 8X8;
מישום מה הוא מוחק לי את זה.. אבל זה רשום נכון כסינטקס
	public Start ()
	{
		start();
	}
	
	public void start ()
	{
סתם בדיקות
	pawn b ;
	b = new pawn();
	boolean c = false;
	c= b.ValidMove(0, 0, 5, 5);
	System.out.println ("");
	}
	
	/**
	 * This method setting in the board a soldier in a certain coordination
	 * @param a_ChessBord  -  hold the soldier details
	 */
	public void setm_ChessBordEnemy(CheckTool a_ChessBord)
	{
		this.m_ChessBord = a_ChessBord;
	}
	/**
	 * This method getting if there any soldier in a certain coordination on the board
	 * @param	x	-	holding the x coordination for checking
	 * @param 	y	-	holding the y coordination for checking
	 * @return the m_ChessBord 
	 */
	public static boolean getm_ChessBordEnemy(int x ,int y)
	{
		boolean empty = false;
		if (m_ChessBord==null)
		{
			empty = true;
			
		}
		return empty;
	}

public class pawn extends CheckTool{
	
	private boolean m_AsStart;    			// indicator if the Soldier moved from the game start or not
	/**
	 * This is the contractor that will set the Soldier name 
	 */	
	public pawn (String a_Color,int a_Xsource , int a_Ysource)
	{
		super ("Pawn" ,a_Color,a_Xsource,a_Ysource);	// starting the CheckTool contractor
		m_AsStart		=		true;		// setting the As Start to true (didn't moved from the start) 	
		
	}
public boolean ValidMove (int X , int Y ,int XX ,int YY)
	{
if (X==XX&&YY==Y+1&&כאן אני צריך את הפקודה שרשמתי בהודעה הראשונה)
כמו שאמרתי לך פה הוא לא נותן לי להכניס אותה .
רק אם אני מגדיר אותה כ static זה נותן לי 
בצורה שרשמתי מעל.