UnsignedByteExample

UnsignedByteExample -- using all 8 bits of a byte as an unsigned value.

To see this example in action:

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

Output:

    i1 = -4
    i2 = 252

    -4
    252

    b + 1 = -3
    (b & 0xFF) + 1 = 253