Write the Java code for each of the exercises in the attached document. Compile, debug and test via BlueJ

Week 3 Lab

Exercise 1

Start with program called ScrollingSun

• Modify to move on X axis
• Modify so that Y axis is constant

Exercise 2

Perform Two Compliment

• Add: 6, -4
• Add: 7, -1

Exercise 3

Create a program called RandomBox with the following features:

• When the program begins it creates a filled rectangle of random size (make your limits 20 – 120 pixels) centered on the screen
• Hint: center is
  • canvasWidth – boxWidth/2
  • canvasHeight – boxHeight/2
• When the mouse exits the window the box disappears
• When the mouse re-enters the window, it generates a new size for the box and re-centers it on the screen
• If time, make the color of the box random. Change each time a new box is drawn.

Extra Credit

Write a program called RandomBox2.

• Same as RandomBox except for box position
• Position box some value D within 150 px of center (changing both X and Y axis by the D value