In a previous Java 101 tutorial, you learned how to better organize your code by declaring reference types (also known as classes and interfaces) as members of other reference types and blocks. I also ...

We'll use Maven to build and package the project, start up a Heron cluster locally, and run the topology on the live cluster. These values are used in different sections of the pom.xml. For example, ...

We can use -d option to compiling normal java files. It means we can use -d option to compile a java file even though it doesn't have package statement. The basic need of -d option is saving .class ...