What is this System.out.println("Hello World"); in Java? All Questions › What is this System.out.println("Hello World"); in Java? 0 Vote Up Vote Down chetan shidling asked 4 years ago I need short information. 1 Answers 0 Vote Up Vote Down chetan shidling answered 4 years ago If you want to print output than you need to use this, System.out.println(\”Hello World\”); Like printf in C and cout in C++.