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!
In this quick sneppet, you will explore java.time (Java 8) LocalDate, LocalDateTime, ZonedDateTime and ChronoUnit to find difference between two dates. ChronoUnit is the implementation class of java.time.TemporalUnit interface. The most commonly used units are defined in ChronoUnit e.g., WEEKS,… Read More!
Finding an element in a list is very common task that you may encounter during java programming. This sneppet will teach you how to find an element in list using Java 8 Stream API feature. 1. Define Task POJO: Define… Read More!
This sneppet teaches you how to use ArrayList removeAll() method to remove elements from a ArrayList that are specified in a specific collection. Note, you have to override Object’s equals method to make this work. Example: ArrayList removeAll() method and… Read More!
In this sneppet you will learn how to check if string is not empty and not null in Java. Note, a String with just whitespace is not considered as empty in Java. The following are the ways to test whether… Read More!
