CS202 Java-126
String Methods Continued
lMethod indexOf searches a string to find a particular substring, and returns an int value that is the beginning position for the first occurrence of that substring within the string
lCharacter positions begin at 0 (not 1) 
lThe substring argument can be a literal String, a String expression, or a char value
lIf the substring could not be not found, method indexOf returns value -1
l