Java Compiler

Dim myprocess As New Process
        Dim runpath As String
        Dim path As String
        path = "javac " + TextBox1.Text + ".java"
        runpath = "java " + TextBox1.Text
        Dim StartInfo As New System.Diagnostics.ProcessStartInfo
        StartInfo.FileName = "cmd" 'starts cmd window
        StartInfo.RedirectStandardInput = True
        StartInfo.RedirectStandardOutput = True
        StartInfo.RedirectStandardError = True
        StartInfo.UseShellExecute = False 'required to redirect
        StartInfo.CreateNoWindow = True
        myprocess.StartInfo = StartInfo
        myprocess.Start()
 
        Dim SR As System.IO.StreamReader = myprocess.StandardOutput
        Dim SW As System.IO.StreamWriter = myprocess.StandardInput
        SW.WriteLine("set path=C:\Program Files\Java\jdk1.7.0\bin") 'the command you wish to run.....
        SW.WriteLine("cd C:\Users\abcd\Desktop\Cloudproject\javacodes") 'the command you wish to run.....
 
        SW.WriteLine(path) 'the command you wish to run.....
 
        SW.WriteLine(runpath)
        
        SW.WriteLine("exit")
       RichTextBox2.Text= SR.ReadToEnd 'returns results of the command window
        SW.Close()
        SR.Close()
    End Sub