1. Compile: Open Advanced - Tool Configuration, enter Javac% N% e, enter the Javac% N% e, and enter the% P in the working directory. Enter Java under the menu item name (you can name it at will, as long as you like), and In the following Checkbox, you want to save the active file, so that you save the active file before compiling, you can capture the output in the DOS command output, so you can see the result! Finally click OK Save. 2. Reflex: Open the Advanced - Tool Configuration, enter JavaP% N below, and enter the% P under the working directory. Enter the anti-compile Java under the menu item name, and the settings are the same. 3. Run: Open the Advanced - Tool Configuration, Enter Java% N below in the Command Line, and enter% P in the working directory. Enter Java under the menu item name, then set the same. After the above configuration is configured, you can see it under the high-level menu, anti-compile Java, run Java three items. After writing a .java file, or after opening a Java file, you can run these three instructions.