How to display printout of JAVA log to C # console

I am trying to display information printed out on the command line from a JAVA console in C #. It works fine when System.out.println is issued in JAVA, however it does not work with logger.info printing.

Note. When I run it via Windows Command Prompt (CMD> java -jar testbed.jar), the logger information is printed on the command prompt.

Appreciate the inputs and help from anyone on this. The test code I'm working on is the following:

JAVA to make a prime number increment and decrement and print through the logger when the button is pressed to increment or decrement. (THIS CODE CANNOT CHANGE)

private static int ValueInteger = 0 ;
static Logger l;

public TestBed() {
        initComponents();
        try{
            l = Logger.getLogger("");
            FileHandler fh = new FileHandler("main.log", false);
            l.addHandler(fh);
            l.setLevel(Level.ALL);
            l.fine("Logger Created - JTSRunner.main()");
        }catch(Exception ex){}
    }
 private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {                                         
        // TODO add your handling code here:
        ValueInteger--;         
//        System.out.println(Integer.toString(ValueInteger));
        l.info(Integer.toString(ValueInteger));
    } 

 private void jButton4ActionPerformed(java.awt.event.ActionEvent evt) {                                         
        // TODO add your handling code here:
        ValueInteger++; 
//        System.out.println(Integer.toString(ValueInteger));
        l.info(Integer.toString(ValueInteger));
    }

      

        
        
        
      

    

C # code to handle and print in a textbox (CODE I WORK):

private void Button_Click(object sender, RoutedEventArgs e)
    {

        ProcessStartInfo startInfo = new ProcessStartInfo("cmd", "/k java -jar Testbed.jar ")
        {
            WorkingDirectory = "C:\\Testbed",
            WindowStyle = ProcessWindowStyle.Hidden,
            UseShellExecute = false,
            RedirectStandardOutput = true,
            CreateNoWindow = true
        };

        Process process = Process.Start(startInfo);
        process.OutputDataReceived += writeCommandInfo;
        process.BeginOutputReadLine();           
        //process.WaitForExit();
    }

    private void writeCommandInfo(object sender, DataReceivedEventArgs e)
    {
        if (e.Data != null)
        {
            this.Text.Dispatcher.Invoke(new Action(() => this.Text.Text = e.Data.ToString()), DispatcherPriority.Normal, null);
        }
    }