C++ compiler, will be downloaded and configured for you. Also the Arduino Downloads Manager of the Arduino C++ Tools shows how simple things can be: Just choose your Arduino board or compatible system and the libraries you want to use.
Opening a Java project that has not been created with Eclipse becomes a no-brainer with the new Java detector that is used by File > Open Projects from File System. Java – Open Projects from File System: new Java and JDK detectors.IDE – Compare Editor: Swap Left and Right View.My Eclipse Neon.2: quick demo of 3 improvements shows three of these improvements: In December 2016 Neon.2 was released with only a few but nonetheless very helpful improvements.