De-serializing JSON String Using Jackson ObjectMapper
Example of JSON string de-seriazing into Java object using jackson library.
Best ways to redirect page using JavaScript
Best way to redirecting or navigating to another page using JavaScript.
How to get current user name using Java
Java example to get current user name on windows OS.
Java DateTime extension class
Java class to extend java.util.Date class to add some methods given in c# like addSeconds, addMinutes, addDays, addYears etc. This are really helpful.
Class to calculate differences in two dates
Java example for calculating difference between two date in different units. You can use this utility class in you java program.