Lecture 22
12
Characters
•Type char is primitive in Java
•A char is really an int 
•In the old days characters were just small integers
•The ASCII character set contains 128 characters numbered 0-127
•one byte, 8 bits: 00000000 to 11111111 in binary     (0-255 decimal)
•ascii codes are the bytes with the high bit 0
• Googling for ASCII code will find lots of information
•