Exercise 2 Sample Solution

• design-patterns-1.pdf
• design-patterns-2.pdf
• src/
  • com/
    • dracomalfoy/
      • Picture.java
      • Pixel.java
      • RectImg.java
    • rhymeswithhermione/
      • Picture.java
      • PictureDB.java
    • ourcompany/
      • ourcompany-i.ucd
      • ourcompany-i.uml
      • command/
        • AbstractCommand.java
        • ClearCommand.java
        • command-ai.ucd
        • command-ai.uml
        • CommandManager.java
        • CropXYCommand.java
        • PrintCommand.java
        • SharpenCommand.java
      • images/
        • CompositeRegionDecorator.java
        • ImageDatabaseFacade.java
        • images-ai.ucd
        • images-ai.uml
        • images-i.ucd
        • images-i.uml
        • RectImgDecorator.java
        • RegionInterface.java
        • RonsRegionDecorator.java
        • SimpleRegion.java
• org/
  • ronsimages/
    • RonsImage.java
    • RonsImageInterface.java
• uk/
  • co/
    • whinyharry/
      • Image.java
      • ImageDatabase.java