Wildcard « character « Java Data Type Q&A

1. Wildcard Characters    coderanch.com

If e is a string, you could also convert it into a numeric type, such as int or double, and then use e > o, as shown earlier. For example, to convert a string containing a numeric value into an int, you can use Integer.parseInt(). To convert a numeric string into an double, use Double.parseDouble().

2. Wildcard character    coderanch.com

3. Wildcard Character    forums.oracle.com