The basic concept of OOP (Object Oriented Programming) is not difficult to understand and every Computer Science students should be able to demonstrate the OOP using Java, which is considered the most elegant programming language that has full OOP concepts.The following will guide you how to write a basic Date class in Java with some useful methods, overloaded constructors, private attributes etc.Output: If user doesn't enter date in a specified manner then it will show error message date format should be MM/DD/YYYY.This free Java regular expression tester lets you test your regular expressions against any entry of your choice and clearly highlights all matches. Consult the regular expression documentation or the regular expression solutions to common problems section of this page for examples. You can create range of characters using the hyphen character such as A-Z (A to Z).A Class can be considered as the encapsulation of a bunch of methods and attributes.So, we name the class Date and we should store the Java source code as file name exactly as the class name which is
Consult this page for more details on this problem. For the actual date validity, you should rely on another language.options can be either a date string in the format of YYYY-MM-DD or a Date object.If the form need to validate start and end date, you should take a look at the Validating fields that depend on each other or Compraing dates example.We are using Java Script for validating JSP at client side so that it will take less time in validation rather than having validation at server side.We have created a JSP file "Date Validation.jsp", which is doing the whole working for us.When setting options via HTML attributes, remember to enable the validator by setting data-fv-date="true".