Quiz 2: Chapter 3 material (built-in classes)
Thursday: February 19th 

- Chapter 1: different types of errors + structure of Java program
Chapter 2: arithmetic expressions + interactive programs (Scanner)
Chapter 3: Built-in Java classes (String, Random, Math, DecimalFormat, Wrapper)
Math ---> attributes/variables: PI, methods: sqrt
chapter 4: Writing classes

Main.java ---> Driver class / client class
Die.java ---> Helper class
