As you see in PhoneCharge.java, the total charge needs to be printed on the screen so we know the result. As a matter of fact, any program has to generate some results - the output. Sometimes the output is data, sometimes not.
Can you print out a Christmas tree? Can you put on some ornaments?
Have you ever wondered what "ln" means in "System.out.println() "? Delete "ln" and run the Xmas tree code again to see what happens. When should you use "System.out.print() " instead of "System.out.println() "?
Write a program that prints an animal speaking a greeting, similar to (but different from) the following:
/\_/\ ----- ( ' ' ) / Hello \ ( - ) < Junior | | | | \ Coder!/ (__|__) -----