Algorithm Java (Robert Sedgewick) Basic Api-stdout.java

/************************************************************************* * Compilation:javac StdOut.java * Execution:java StdOut * * Writes data of various types to standard output. * *************************************************************************/ImportJava.io.OutputStreamWriter;ImportJava.io.PrintWriter;Importjava.io.UnsupportedEncodingException;ImportJava.util.Locale;/*** <i>standard output</i>. This class provides methods for writing strings * and numbers to standard output. * <p> * For additional documentation, see <a href= "Http://introcs.cs.princeton.edu/15inout">section 1.5</a> of * <i>introduction to programming in Java:an interdisciplinary Approach</i> by Robert Sedgewick and Kevin Wayne. * *  @authorRobert Sedgewick *@authorKevin Wayne*/ Public Final classStdOut {//Force Unicode UTF-8 encoding; otherwise it ' s system dependent    Private Static FinalString charset_name = "UTF-8"; //Assume language = 中文版, country = US for consistency with StdIn    Private Static FinalLocale locale =locale.us; //Send output here    Private StaticPrintWriter out; //This was called before invoking any methods    Static {        Try{ out=NewPrintWriter (NewOutputStreamWriter (System.out, Charset_name),true); }        Catch(unsupportedencodingexception e) {System.out.println (e);} }    //don ' t instantiate    PrivateStdOut () {}//close the output stream (not required)   /*** Close standard output. */     Public Static voidClose () {out.close (); }   /*** Terminate the printing the line separator string. */     Public Static voidprintln () {out.println (); }   /*** Print an object to standard output and then terminate the line . */     Public Static voidprintln (Object x) {out.println (x); }   /*** Print A Boolean to standard output and then terminate the line. */     Public Static voidprintlnBooleanx) {out.println (x); }   /*** Print a char to standard output and then terminate the line. */     Public Static voidprintlnCharx) {out.println (x); }   /*** Print a double to standard output and then terminate the line. */     Public Static voidprintlnDoublex) {out.println (x); }   /*** Print a float to standard output and then terminate the line. */     Public Static voidprintlnfloatx) {out.println (x); }   /*** Print an int to standard output and then terminate the line . */     Public Static voidprintlnintx) {out.println (x); }   /*** Print a long to standard output and then terminate the line. */     Public Static voidprintlnLongx) {out.println (x); }   /*** Print a short to standard output and then terminate the line . */     Public Static voidprintln Shortx) {out.println (x); }   /*** Print a byte to standard output and then terminate the line. */     Public Static voidprintlnbytex) {out.println (x); }   /*** Flush standard output. */     Public Static voidprint () {Out.flush (); }   /*** Print an Object to standard output and flush standard output. */     Public Static voidprint (Object x) {out.print (x);    Out.flush (); }   /*** Print A Boolean to standard output and flush standard output. */     Public Static voidPrintBooleanx) {out.print (x);    Out.flush (); }   /*** Print a char to standard output and flush standard output. */     Public Static voidPrintCharx) {out.print (x);    Out.flush (); }   /*** Print a double to standard output and flush standard output. */     Public Static voidPrintDoublex) {out.print (x);    Out.flush (); }   /*** Print a float to standard output and flush standard output. */     Public Static voidPrintfloatx) {out.print (x);    Out.flush (); }   /*** Print an int to standard output and flush standard output. */     Public Static voidPrintintx) {out.print (x);    Out.flush (); }   /*** Print a long to standard output and flush standard output. */     Public Static voidPrintLongx) {out.print (x);    Out.flush (); }   /*** Print a short to standard output and flush standard output. */     Public Static voidPrint Shortx) {out.print (x);    Out.flush (); }   /*** Print a byte to standard output and flush standard output. */     Public Static voidPrintbytex) {out.print (x);    Out.flush (); }   /*** Print A formatted string to standard output using the specified * format string and arguments, and flush St     Andard output. */     Public Static voidprintf (String format, Object ... args) {out.printf (LOCALE, format, args);    Out.flush (); }   /*** Print A formatted string to standard output using the specified * locale, format string, and arguments, and     Flush standard output. */     Public Static voidprintf (locale locale, String format, Object ... args) {out.printf (locale, format, args);    Out.flush (); }    //This method was just here to test the class     Public Static voidMain (string[] args) {//write to stdoutStdout.println ("Test"); Stdout.println (17); Stdout.println (true); stdout.printf ("%.6f\n", 1.0/7.0); }}

Algorithm Java (Robert Sedgewick) Basic Api-stdout.java