How do I run a Java file in Linux terminal?

Just follow these simple steps:

1. From Terminal install open jdk sudo apt-get install openjdk-7-jdk.
2. Write a java program and save the file as filename.java.
3. Now to compile use this command from the terminal javac filename.java. …
4. To run your program that you’ve just compiled type the command below in terminal: java filename.

How do I open a Java file in Linux?

Enabling the Java Console for Linux or Solaris

1. Open a Terminal window.
2. Go to the Java installation directory. …
3. Open the Java Control Panel. …
4. In the Java Control Panel, click the Advanced tab.
5. Select Show console under the Java Console section.
6. Click the Apply button.