Here's how to make classes, fields, methods, constructors, and objects work together in your Java programs.

Test Objects from File This is a Spring-Boot project consisting of almost all of the examples provided in this post. Which covers how to write Java objects to a file and how is this useful.

How to run a Java program using Command Prompt First things first, you will have to write the code that you want to run and save that as a Java executable file.

How do you deploy a JAR file to Tomcat? Typically you deploy WAR files, not JARs. But if you need to link to a JAR file from a Java web app on Apache Tomcat, here's how to do it.

Use the Java API for JSON Binding (JSON-B) to serialize and deserialize Java objects, arrays, and collections in Java SE ...