printlndemo.java

卡内基梅陇大学的网上教程 ssd3第一单元的源码

package unitOne;

import  java.io.*;

public class PrintlnDemo  {

    private static BufferedReader  stdIn =
        new BufferedReader(new  InputStreamReader(System.in));

    private static PrintWriter  stdOut =
        new PrintWriter(System.out, true);

    private static PrintWriter  stdErr =
        new PrintWriter(System.err, true);

    public static void  main(String[]  args)  {

        stdOut.println("A line of output.");
        stdOut.println(5);//a new line
        stdOut.print(7.27);//continue
        stdOut.println(true);
        stdOut.println();
    }
}