Checking if object is null is a common problem in Java. To check that you can check if object itself is null or you can also use static utility methods of java.util.Objects class for operating on objects.
Enums are very useful feature in Java and you can use when you know all possible values at compile time. In this example we will see how should you get enum name using enum value.
Below is the Java example to convert ZonedDateTime to LocalDateTime with a timezone. ZonedDateTime to LocalDateTime Example ZonedDateTime represents immutable date-time with a timezone. And now() obtains the current system date-time in the default timezone if timezone ID is not… Read More!
Are you facing “Local variable assignedHour defined in an enclosing scope must be final or effectively final” error while trying to use local variable assignedHour that is not declared as final in the lambda expression or inside an inner class ?… Read More!
There are many ways to generate unique Long Id in java. You can use LongGenerator by apache commons id to generate unique Long id. Unique Long id using LongGenerator LongGenerator is an Identifier Generator that generates an incrementing number as… Read More!
