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When I have a block that has many null values,such as: [x] [] [] [] [] [] [] [] [] I want the block to go right since there are no tiles to prevent this move how can i do that? public void setTile(int y, int x, Tile t){          if (y >= 0 && y < board.size() && x >= 0 && x < board.get(y).size()) {             board.get(y).set(x, t);         }     }     public Tile getTile(int y, int x){          // return board.get(y).get(x);         if (y >= 0 && y < board.size() && x >= 0 && x < board.get(y).size()) {             return board.get(y).get(x);         } else {             throw new RuntimeException("Invalid indices provided for getTile");         }     } public int getY()      {         return y;     }     public int getX()      {         return x;     }  public int getWidth(){          return board.size()>0?board.get(0).size():0;     }     public int getHeight(){         return board.size();     } public static boolean moveRight(Board bd, Block bk) { } help me please

When I have a block that has many null values,such as: [x] [] [] [] [] [] [] [] [] I want the block to go right since there are no tiles to prevent this move how can i do that? public void setTile(int y, int x, Tile t){          if (y >= 0 && y < board.size() && x >= 0 && x < board.get(y).size()) {             board.get(y).set(x, t);         }     }     public Tile getTile(int y, int x){          // return board.get(y).get(x);         if (y >= 0 && y < board.size() && x >= 0 && x < board.get(y).size()) {             return board.get(y).get(x);         } else {             throw new RuntimeException("Invalid indices provided for getTile");         }     } public int getY()      {         return y;     }     public int getX()      {         return x;     }  public int getWidth(){          return board.size()>0?board.get(0).size():0;     }     public int getHeight(){         return board.size();     } public static boolean moveRight(Board bd, Block bk) { } help me please

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question

When I have a block that has many null values,such as:
[x] [] []
[] [] []
[] [] []
I want the block to go right since there are no tiles to prevent this move
how can i do that?

public void setTile(int y, int x, Tile t){ 
        if (y >= 0 && y < board.size() && x >= 0 && x < board.get(y).size()) {
            board.get(y).set(x, t);
        }
    }
    public Tile getTile(int y, int x){ 
        // return board.get(y).get(x);
        if (y >= 0 && y < board.size() && x >= 0 && x < board.get(y).size()) {
            return board.get(y).get(x);
        } else {
            throw new RuntimeException("Invalid indices provided for getTile");
        }
    }
public int getY() 
    {
        return y;
    }
    public int getX() 
    {
        return x;
    }
 public int getWidth(){ 
        return board.size()>0?board.get(0).size():0;
    }
    public int getHeight(){
        return board.size();
    }
public static boolean moveRight(Board bd, Block bk)
{
}
help me please
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