To illustrate how generics are used in the Java Collections Framework, let’s look at some examples. List and ArrayList with generics. In the above example, we already briefly explored a simpler ...

The core of Java serialization lies in the ObjectOutputStream and ObjectInputStream classes. These streams provide methods to write and read objects. Here’s a simple example of serializing an ...

For example, if an application overzealously allocates instances, the garbage collector (GC) will be forced into action when object references go out of scope. Increasingly frequent GC cycles will not ...

For example, all the collection classes in the JDK hold data as objects. If a developer has a set of int values they want to store in an ArrayList, it can’t be done. Unless, of course, they use a ...

This is an in-depth java tutorial for beginners. Learn what Java is, how to get started, and how to build basic apps using key concepts! Java tutorial for beginners: Write a simple app with no ...

If you’ve read my Java 101 tutorial introducing static classes and inner classes, you should be familiar with the basics of working with nested classes in Java code. In this associated tip, I ...

The latest version of Exposed (0.13.5) seems to work fine with the previous version of H2Database (1.4.198), but if I upgrade to the recently-released version of H2Database (1.4.199) the same exact ...

A simple java client for interacting with Grafana using a fluent interface. - appnexus/grafana-api-java-client ...