Redirect standard error : Redirect « File Input Output « Java






  1. Java
  2. File Input Output
  3. Redirect

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();
  }
}








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