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Categories / Java by API / Java Lang

 

System setErr(PrintStream err)

import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.PrintStream; import java.sql.Timestamp; public class MainClass {   public static void main(String[] args) {     try {       String FILE = "c:\\systemin.txt";       FileOutputStream outStr = new FileOutputStream(FILE, true);       PrintStream printStream = new PrintStream(outStr);       System.setErr(printStream);       Timestamp now = new Timestamp(System.currentTimeMillis());       System.out.println(now.toString() + ": This is text that should go to the file");       outStr.close();       printStream.close();     } catch (FileNotFoundException ex) {       ex.printStackTrace();       System.exit(-1);     } catch (IOException ex) {       ex.printStackTrace();       System.exit(-1);     }   } }