package common.domain;

public class Field {
    FieldMarks mark;

    public Field() {
    }

    public FieldMarks getMark() {
        return mark;
    }

    public void setMark(FieldMarks mark) {
        this.mark = mark;
    }

    public enum FieldMarks {
        Bomb, NotBomb, Unknown, Empty
    }
}

@@ -46,46 +46,368 @@
     
-FieldMarks mark;%0A%0A    public Field() %7B
+private int positionX;%0A%0A    private int positionY;%0A%0A    private FieldMarks mark;%0A%0A    public Field() %7B%0A    %7D%0A%0A    public Field(int positionX, int positionY) %7B%0A        this.positionX = positionX;%0A        this.positionY = positionY;%0A    %7D%0A%0A    public int getPositionX() %7B%0A        return positionX;%0A    %7D%0A%0A    public int getPositionY() %7B%0A        return positionY;
 %0A   

Add position for field.