Which two java commands entered at the command line will run MainClass?
What is the result?
Which code should be inserted at line 1 of Demo.java to compile and run Demo to print "pizzapizza"?
Which three changes should be made to adapt this class to be used safely by multiple threads?
What is the output if the main() method is run?
Which two classes use the Shape class correctly?
Which code, inserted at line 14, allows the Sprite class to compile?