PinnedIvan PolovyiinAWS in Plain EnglishAWS ECS Cluster using the EC2 Launch TypeIn this tutorial, I would like to show you step-by-step how to create from scratch the AWS ECS cluster using the EC2 launch type and host…Jul 25, 20212Jul 25, 20212
Ivan PolovyiinLevel Up CodingMastering Java Collections: Exploring merge Method in MapsThe Map interface contains an intriguing and powerful method called merge. While incredibly useful, it can initially appear confusing. In…2d ago2d ago
Ivan PolovyiinJavarevisitedJava Comparator interfaceTo order a collection of objects, Java provides the Comparable and Comparator interfaces. In the previous tutorial, I demonstrated with…Jul 151Jul 151
Ivan PolovyiinLevel Up CodingJava Comparable interfaceThe Java language frequently operates on objects, and often, these objects need to be ordered in some way, such as by date. To order…Jul 121Jul 121
Ivan PolovyiinJavarevisitedSealed classes and interfaces in JavaJava is best known as an object-oriented programming language, offering features like inheritance to enhance code reusability. However…Jun 131Jun 131
Ivan PolovyiinLevel Up CodingJava RecordsThe Java programming language is often criticized for being overly verbose. A common example is that creating a simple POJO class requires…Jun 101Jun 101
Ivan PolovyiinLevel Up CodingJava this and super keywordsJava provides two important keywords, this and super, which are integral to its inheritance feature. Understanding how, when, and why to…Jun 3Jun 3
Ivan PolovyiinLevel Up CodingJava Switch. Part II: ExpressionThe switch construct in Java is a robust control flow tool that lets developers execute one block of code from several options based on a…Jun 3Jun 3
Ivan PolovyiinJavarevisitedJava method overridingJava follows the object-oriented paradigm, which includes features like method overriding. In this tutorial, I’ll explain how Java handles…Jun 2Jun 2
Ivan PolovyiinLevel Up CodingJava Switch. Part I: StatementThe switch construct in Java is a powerful control flow mechanism that allows developers to execute one block of code out of many based on…May 30May 30