Week 4: More About Classes and Objects

• Overloading
• Inheritance
• Multilevel Inheritance
• Multiple Inheritance
• Overriding Methods
• Adding New Methods to Subclasses
• static
• final
• abstract
• Interfaces
• The Class Library
• Using a class from the class library
• Importing Classes
• Short Names
• Bulk Imports
• java.lang.Math
• java.util.Date
• java.util.Random
• java.lang.String
• java.lang.Object
• The toString() method()
• The equals() method
• The hashCode() method
• The clone() method
• Wrapping Your Own Packages
• JAR archives
• Runnable JAR files
• Inner Classes
• What is an exception?
• try-catch
• finally
• The different kinds of exceptions
• Multiple catch clauses
• The throws clause
• Throwing exceptions
• Writing your own exception classes
• Exercises