For Java-based programs such as Maven, Jenkins, Gradle or Tomcat to run, they need to know that Java's JDK is installed. That's the purpose of the JAVA_HOME environment variable. It tells programs ...

Community driven content discussing all aspects of software development from DevOps to design patterns. There are several ways to find duplicates in a Java List, array or other collection class. The ...

When performing serialization with any Java object contains a List field produced by Java subList method of List, an application will get this error "java.lang.UnsupportedOperationException: Class ...

Adobe Flash and Java are two downloads most of us have installed on our Windows computers, as they give us a richer internet and browsing experience. We have already seen how to manage Adobe Flash ...

at java.base/java.io.ObjectOutputStream.writeOrdinaryObject (ObjectOutputStream.java:1433) at java.base/java.io.ObjectOutputStream.writeObject0 (ObjectOutputStream.java:1179) ...

Java is a popular computing platform, but lately, Java is blamed for its security vulnerabilities. It is recommended by many to disable or completely uninstall Java. However, there are applications ...

In this blog we will learn about ArrayList. ArrayList is one of the collection class of collection framework. It is a way of storing elements dynamically in an array. It implements the List interface ...