Java Data Type Tutorial - Java Process.getErrorStream()

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Syntax

Process.getErrorStream() has the following syntax.

public abstract InputStream getErrorStream()

Example

In the following code shows how to use Process.getErrorStream() method.

//from   w  ww. j a va 2  s  .c  om

import java.io.InputStream;

public class Main {

   public static void main(String[] args) {
      try {
         // create a new process
         Process p = Runtime.getRuntime().exec("notepad.exe");

         // get the error stream of the process and print it
         InputStream error = p.getErrorStream();
         for (int i = 0; i < error.available(); i++) {
            System.out.println(error.read());
         }

         // wait for 10 seconds and then destroy the process
         Thread.sleep(10000);
         p.destroy();

      } catch (Exception ex) {
         ex.printStackTrace();
      }

   }
}

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