Execute a command from code : Runtime System « Development « Java Tutorial

1. Java Tutorial
2. Development
3. Runtime System

public class Main {
  public static void main(String[] argv) throws Exception {
    // Execute a command without arguments
    String command = "ls";
    Process child = Runtime.getRuntime().exec(command);

    // Execute a command with an argument
    command = "ls /tmp";
    child = Runtime.getRuntime().exec(command);
  }
}