1. What is divide and conquer?
2. What does it mean that Java is strongly-typed?
3. Describe the relationship between a class and an object.
4. What is the purpose of set methods? Why dont we just let the users set the data directly?
5. What is the difference between public and private? When do you usually use each one?
6. What is wrong with the following code?

public class Foo

{

private int num;

public Foo(int a1)

{

num = a1;

}

}

public class FooTest

{

Foo foo = new Foo(3, 4);

}

7. Create a class called FooBar which contains one instance variable of type int and another instance variable of type boolean. Create a single constructor which initializes both instance variables, and get and set methods for each instance variable individually.