Is Java method parameters are “pass-by-reference” or “pass-by-value”?

Many beginners think that Java is pass-by-reference. The Java specification document says that everything in Java is pass-by-value. There is no such thing as “pass-by-reference” in Java and this is fact. In Java when we pass an object to some method parameter it actually passes objects reference value which many people think that it is Read More …

Installing and Configuring Apache ActiveMQ on Ubuntu 18

Apache ActiveMQ ™ is one of the most popular and powerful open source JAVA based messaging and Integration Patterns server. This supportes many protocols and provides client library for many platforms and languages. Apache ActiveMQ is a message broker server written in Java with JMS, REST and WebSocket interfaces, however it supports many protocols like Read More …