Java Multikey map example
1. Overview This article is about how to java multikey map with example. Java Map has a key value pair where the key must be a unique Object which used…
1. Overview This article is about how to java multikey map with example. Java Map has a key value pair where the key must be a unique Object which used…
1. Overview In this article, We will discuss how to generate UUID in Java. We will also discuss different ways to generate random UUID, Time-based UUID, and Name-based UUID. Full…
Overview In Java 8, some new comparison utility methods are added in the Comparator interface which returns the behavior of Comparator. those methods can be used with lambda expression or…
Overview In Java 8, we know how to get a stream of List using stream() or parrallelStream() method of Collection interface. But what if we want a stream of two…
Overview Java List and Map may contain null values (elements) and sometimes we need to filter those null elements to avoid NullPointerException before going to process it using stream API….
1. Overview In this article, We will learn how we can configure repeatable migration in the flyway database migration tool with an example. So many times it needs for us…
1. Overview In this example, We will learn Java Base64 encode decode example. Base64 is very popular for two way encoding and decoding of data. Here we have given an example…
1. Overview In this article we will discuss various techniques of converting double to byte array and vice versa,double array to byte array and so on.In java double data type…
1. Overview In this article we will discuss various techniques of converting long to byte array and vice versa,long array to byte array and so on.In java long data type…
1. Overview In this article, We will learn Java remove multiple objects from ArrayList. Java collection is one of the handy features that attract developers. Collection framework makes developers life easy…