When you deal with json object you may want to check whether key exists in the jsonobject before fetching value for that key. We can easily check using Google gson JsonObject has() method. has() method – Class JsonObject This is… Read More!
Do you want to pause or suspend a method of a class which is getting executed via quartz scheduler based on the cron expression ? Let’s say you wanted to pause the method being executed by the cron job based… 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!
Converting List to Map is very common task that you encounter during programming. In this quick sneppet, you will learn how to convert List to Map using Java 8 Streams and Collectors. Before you begin let’s build a sample POJO or… Read More!
