How to execute a Java program from C#?

var processInfo = new ProcessStartInfo("java.exe", "-jar app.jar")
                      {
                          CreateNoWindow = true,
                          UseShellExecute = false
                      };
Process proc;

if ((proc = Process.Start(processInfo)) == null)
{
    throw new InvalidOperationException("??");
}

proc.WaitForExit();
int exitCode = proc.ExitCode;
proc.Close();

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