Запуск приложения из командной строки linux

/*
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 * and open the template in the editor.
 */
package testconnection;
/* Libraries for jdbc*/
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.util.Properties;
 
/**
 *
 * @author ontol
 */
public class TestConnection {
 
    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // TODO code application logic here
        /*
        1.      Connection string
                jdbc:oracle:<drivertype>:@<database>
                jdbc:oracle:<drivertype>:<user>/<password>@<database>
                Where:
                drivertype can be "thin", "oci" or "kprb".
                Database can be in the form of "hostname:port:SID"
        */        
        String addressDB = "jdbc:oracle:thin:@localhost:1521:XE";
        String usernameDB = "system";
        String passwordDB = "pass";
        /*
        2. Register Oracle JDBC driver
        Class.forName("oracle.jdbc.OracleDriver");
        or
        DriverManager.registerDriver(new oracle.jdbc.OracleDriver());
        */
        try
        {
            DriverManager.registerDriver(new oracle.jdbc.OracleDriver());
        }
        catch (SQLException exception)
        {
            exception.printStackTrace();
        }
        /*
        Establishing connection
        There were 3 ways, but we'll use one (using username and password)
        Connection conn = DriverManager.getConnection(dbURL, username, password);
        */
        Connection conn = null;
        try
        {
            conn = DriverManager.getConnection(addressDB, usernameDB, passwordDB);
            if (conn != null)
            {
                System.out.println("Connected with current connetion");
            }
        }
        catch (SQLException exception)
        {
            exception.printStackTrace();
        }
        
        /*
        Closing connection
        */
        try
        {
            if( conn != null && !conn.isClosed())
                conn.close();
            System.out.println("Connection is closed");
        }
        catch (SQLException exception)
        {
            exception.printStackTrace();
        }
        
    }
    
}

/**
* Содержимое файла HelloWorld.java
*/
public class HelloWorld {
    public static void main(String[] args) {
        System.out.println("Hello World!");
    }
}