Java.io.PrintStream.setError() Method

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Description

The java.io.PrintStream.setError() method Sets the error state of the stream to true.

Declaration

Following is the declaration for java.io.PrintStream.println() method

protected void setError()

Parameters

  • NA

Return Value

This method does not return a value.

Exception

  • NA

Example

The following example shows the usage of java.io.PrintStream.setError() method.

package com.tutorialspoint;

import java.io.*;

public class PrintStreamDemo extends PrintStream {

   public PrintStreamDemo(OutputStream out) {
      super(out);
   }

   public static void main(String[] args) {
      byte c[] = {70, 71, 72, 73, 74, 75, 76};

      // create printstream object
      PrintStreamDemo ps = new PrintStreamDemo(System.out);

      // write bytes 1-3
      ps.write(c, 1, 3);

      // flush the stream
      ps.flush();

      // set an internal error
      ps.setError();
   }
}

Let us compile and run the above program, this will produce the following result:

Hello World
New Line



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