Android Authority

Java tutorial for beginners: Write a simple app with no previous experience

Java is one of the most in-demand programming languages in the world and one of the two official programming languages used in Android development (the other being Kotlin). Developers familiar with ...
TheServerSide

Learn Maven tutorial for beginners

Java developers absolutely must learn Maven. Maven is the most popular and pervasive build tool in the Java world. Even if you don't use Maven directly, alternatives such as Gradle, Jenkins or Ivy ...
InfoWorld

Classes and objects in Java

Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications. This Java tutorial teaches you how to declare classes, describe attributes via fields, ...
TheServerSide

Java, JDBC and SQL Server tutorial

In this Microsoft SQL Server and JDBC tutorial, you'll learn how to connect to a Microsoft SQL Server in Java using JDBC. The steps are relatively straightforward: Each database is different, so ...
InfoWorld

How to use Java generics to avoid ClassCastExceptions

Using generics results in more robust code and avoids ClassCastExceptions in your Java programs. This in-depth tutorial introduces you to generics and their types and methods. Generics are used in ...