How to run downloaded .java files on intellij

 · I might have a problem. I have homework, and I can't run the file, whenever I open the file that I downloaded it looks like this: I just can't figure it out, why it doesn't look like any normal class. Plus just for testing I wrote later the main method to try something simple, it won't even show me the option to run the file.  · Launch IntelliJ IDEA. If the Welcome screen opens, click Open. Otherwise, from the main menu, select File | Open. In the dialog that opens, select the directory in which your sources, libraries, and other assets are located and click Open. When you import or clone a project for the first time, IntelliJ IDEA analyzes it.  · Libraries. A library is a collection of compiled code that you can add to your project. In IntelliJ IDEA, libraries can be defined at three levels: global (available for many projects), project (available for all modules within a project), and module (available for one module). A Java library can include class files, archives and directories with class files as well as directories with native.

Create a run configuration for the packaged application. To run a Java application packaged in a JAR, IntelliJ IDEA allows you to create a dedicated run configuration. Press Ctrl+Shift+A, find and run the Edit Configurations action. In the Run/Debug Configurations dialog, click and select JAR Application. Name the new configuration: HelloWorldJar. Download the bltadwin.ru. Run the installer and follow the wizard steps. On the Installation Options step, you can configure the following. Create a desktop shortcut for launching IntelliJ IDEA. Add the directory with IntelliJ IDEA command-line launchers to the PATH environment variable to be able to run them from any working directory in the Command Prompt. Then Click "Install plugin from disk". Select your downloaded zip file and proceed. Need to restart the IDE. How to work with SonarLint. Go to class file and right click the on that file.

Download the project, decompile the class files with JD-Gui (or other Java decompiler, preferred by you), export the decompiled sources and those you can now export into an IDE as a project. Note: After decompilation you have to take care not to distribute the code, as the current license does not allow that. A Java library can include class files, archives and directories with class files as well as directories with native bltadwin.ru,.so, bltadwin.ru This information is valid for projects that are built with the native IntelliJ IDEA builder. From the main menu bar, select command link File Import. The Import wizard opens. Select General Existing Project into Workspace and click Next. Choose either Select root directory or Select archive file and click the associated Browse to locate the directory or file containing the projects.