How to get current user name using Java
Java example to get current user name on windows OS.
How to check current user role is admin
CSharp example to check current user is admin or not using dotnet framework classes.
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.
When to Override equals and hashCode in Java Class
Java, when you should override equals and hashCode methods. Example of overriding equals and hashCode in Java.