PrintStream Print Flow

1  Packagefile;2 3 ImportJava.io.File;4 ImportJava.io.FileOutputStream;5 Importjava.io.IOException;6 ImportJava.io.PrintStream;7 8 /*9 Print Stream: (PrintStream) converts any data into a string in print. Ten can also print objects, and collect log information One   A   -  */ -  the  Public classDemo13 { -      Public Static voidMain (string[] args)throwsIOException { - printtest (); -     } +      -      Public Static voidPrinttest ()throwsIOException { +File File =NewFile ("F:\\a.txt"); APrintStream PrintStream =Newprintstream (file); at /*printstream.println ("Hello"); - printstream.println (); - printstream.println (3.14); - printstream.println (' B '); - Printstream.println (true); - */         in          -         //the default standard output stream is the input to the console toSystem.setout (PrintStream);//the standard output stream object is reset +SYSTEM.OUT.PRINTLN ("Reset the output ground"); -          the         //to collect the log information for the exception: *File LogFile =NewFile ("F:\\2000.log"); $         //Additional information:Panax NotoginsengPrintStream Logprintstream =NewPrintStream (NewFileOutputStream (LogFile,true)); -         Try{ the             intA = 1/0; +System.out.println ("a=" +a); A         } the         Catch(Exception e) { + E.printstacktrace (logprintstream); -         } $         //Close Resource $ printstream.close (); -     } -      the}

PrintStream Print Flow