The classic Java Tutorials cover these java.util and java.text classes in the Formatting lesson ( Dates and Times). Given how frequently this has been done over the years, it's no surprise that there are numerous online examples of and tutorials on parsing and formattingdates and times with these classes. During this time, hundreds of thousands (or maybe millions) of Java developers have formatted and parsed Java dates and times using and. Since nearly the beginning of Java, Java developers have worked with dates and times via the class (since JDK 1.0) and then the class (since JDK 1.1).