Redirect standard error : IO redirection « File « Java Tutorial

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Java Tutorial » File » IO redirection

11. 70. 1. Redirect standard error


import java.io.FileOutputStream;

import java.io.PrintStream;



public class Main {

  public static void main(String[] args) throws Exception {

    System.setErr(new PrintStream(new FileOutputStream("system_err.txt")));



    String nullString = null;

    nullString = nullString.toUpperCase();

  }

}

11. 70. IO redirection
	11. 70. 1.	Redirect standard error
	11. 70. 2.	Redirect standard output
	11. 70. 3.	Redirecting Standard Output, and Error
	11. 70. 4.	Replace standard output and error with a print stream, output to both the console and to a file.
	11. 70. 5.	Standard Err and Output Windows
	11. 70. 6.	Redirect standard output to a file
	11. 70. 7.	Demonstrates standard I/O redirection

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