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+%0A%0Apublic class GameConstants %7B%0A    public static final float SECOND = 1f;%0A    public static final float BLOCK_SIDE_SIZE = 24f;%0A%0A    public static final int GRID_ROWS = 22;%0A    public static final int GRID_COLUMNS = 10;%0A    public static final float WORLD_HEIGHT = (GRID_ROWS + 3) * BLOCK_SIDE_SIZE;%0A    public static final float WORLD_WIDTH = (GRID_COLUMNS + 5) * BLOCK_SIDE_SIZE;%0A%7D%0A

Create GameConstants.java