JDK 7.0 presentation on polymorphism, exception handling changes and class relationships.

1. Chapters 8-10: OCA Java SE7 Programmer I study guide
By
Ajit Skanda Kumaraswamy

2.  What does it mean?
 How is it useful?
 Examples

3.  What is an Exception?
 What is an Error?
 Class Throwable
 Examples

5.  Creating Exceptions.
 Throwing Exceptions.
 Propagating Exceptions.

6.  Try-catch
 Try-catch-finally
 Try-finally
 Try-with-resources
 Multi-catch clause

7.  What is an error?
 How is it different from an Exception?
 Common Errors:
 AssertionError.
 ExceptionInInitializeError.
 VirtualMachineError.
 OutOfMemoryError.
 NoClassDefFoundError.

8.  What is a composition relationship?
 What is an association relationship?
 Differences.

9.  Direct Association (Truck -Trailer)
 Composition Association (Tire - RubberStrips)
 Aggregation Association (Motorcycle - Windsheild)
 Temporary Association (Car - key)

10.  One to One (Motorcycle - Engine)
 One to Many (Car - Tyres)
 Many to Many (Cars - TrafficLights)
 One to One (Tyre - TyrePressure)
 One to Many (Car - Gears)

11. Thank you