Object Oriented Programming (part 1) in Java

I am following an online MOOC course on Java.

Course Website: http://mooc.fi/courses/2013/programming-part-1/

1. Week 1: Variables, Data Types, Strings, Take an input from a user, Conditional Statements and Loops
2. Week 2: Methods and assignments
3. Week 3: Strings, Objects, ArrayList and For-Each
4. Week 4: Pass by value vs Pass by reference, Objects, Class and Constructor
5. Week 5: Overloading Constructor, Overloading Method, Objects within objects and A list of objects within an objects
6. Week 6: Array, Sorting and Searching