In the developer communities in nearly all parts of the world, productivity is deemed one of the critical key performance indicators (KPIs). If the experience of using a tool or language enhances a developer’s productivity, this is considered as a strong plus for that tool or language. There can be many language characteristics that increase a developer’s productivity, and one of the reasons Scala is loved by many is because of its REPL/shell feature.
If you have used Java before, you may know that in order to write and execute a program, even one as simple as printing ...