So to run a Java source file, we need to configure the build system a little bit.Click Tools > Build System > New Build System… And in the untitled.sublime-build editor, type the code as follows: Save this file as RunJava.sublime-build in the folder prompted by Sublime. However, Sublime Text 3 doesn’t have build-in support for running a Java program. How to implement remember password feature.How to implement forgot password feature.How to read password-protected Excel file in Java.