OverrideMethodExample

OverrideMethodExample -- invoking an overridden method from inside an inherited method.

To see this example in action:

Compile the Java source file, OverrideMethodExample.java:
```
	javac OverrideMethodExample.java
```
Run the class:
```
	java OverrideMethodExample
```

Output:

    up.speak():  My number = 2
    reallyUp.speak():  My number = 101