adjacentes.java

public boolean areAdjacent(int oldX, int oldY, int newX,int newY){
  	int deltaX=newX-oldX;
		int deltaY=newY-oldY;
		
		if(deltaY==0 && deltaX!=0){
			for(int i=oldX+deltaX; i<7; i=i+deltaX){
				if(board.getAt(newY, i)!=board.INVALID_POSITION){
					if(i==newX) 
						return true;
					else 
						return false;
				}
			}
		}
		
		else if(deltaX==0 && deltaY!=0){
			for(int i=oldY+deltaY; i<7; i=i+deltaY){
				System.out.println(newX+","+i);
				if(board.getAt(newX, i)!=board.INVALID_POSITION){
					if(i==newY) 
						return true;
					else 
						return false;
				}
			}
		}
		return false;
	}