Start of Tutorial > Start of Trail > Start of Lesson | Search |
Answers to Questions
- Question: The ClickMe applet uses
Color.red
to set the drawing color to red. What other colors can you get by name like this?
Answer:Color.black
,Color.blue
,Color.cyan
,Color.darkGray
,Color.gray
,Color.green
,Color.lightGray
,Color.magenta
,Color.orange
,Color.pink
,Color.white
, andColor.yellow
- Question: How would you specify other colors, like purple?
Answer: You specify them using the RGB (red-green-blue) color model. In RGB, purple is: 0.5, 0.0, 0.5Answers to Exercises
To read explanations about the solutions and to run the resulting applets, see Run the ClickMe Applets.
- Exercise: Modify the applet to draw a green square instead of a red spot.
Answer: Look at our solution, contained in theClickMeGreen.java
source file.
- Exercise: Modify the applet to display your name in purple instead of a red spot.
Answer: Look at our solution, contained in theClickMePurple.java
source file.Answers to Extra Credit Exercises
To read explanations about the solutions and to run the resulting applets, see Run the ClickMe Applets.
- Exercise: Modify the applet to erase the red spot instead of redrawing the whole applet.
Answer: Look at our solution, contained in theClickMeErase.java
source file.
- Exercise: Modify the applet to drag the red spot when the mouse is held down.
Answer: Look at our solution, contained in theClickMeDrag.java
source file.
Start of Tutorial > Start of Trail > Start of Lesson | Search |