If you would like to better introduce yourself to the subjects of Java and computer programming, do the following activities:

  • Visit Sun's official Java site at and read the company's introduction to the Java language.
  • Using English sentences instead of a coding language, write a set of instructions to add 10 to a number selected by a user and then multiply the result by 5. Break the instructions into as many short one-sentence lines as you can.

To see solutions to the activities at the end of each hour, visit the tutorial's website at