Tuesday, 23 August 2016

Java Tutorial : Java IO (PrintWriter)


Click here to watch in Youtube :
https://www.youtube.com/watch?v=76R9GT9rZOU&list=UUhwKlOVR041tngjerWxVccw

Click the below Image to Enlarge
Java Tutorial : Java IO (PrintWriter)
Java Tutorial : Java IO (PrintWriter)
Java Tutorial : Java IO (PrintWriter)
Java Tutorial : Java IO (PrintWriter)
Java Tutorial : Java IO (PrintWriter)
Java Tutorial : Java IO (PrintWriter)
Java Tutorial : Java IO (PrintWriter)
Refer:
https://docs.oracle.com/javase/8/docs/api/index.html?java/io/PrintWriter.html

PrintWriterDemo.java
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;

public class PrintWriterDemo
{

    public static void main(String[] args) throws IOException

    {
        FileWriter fileWriter = null;
        PrintWriter printWriter = null;
        try
        {
            fileWriter = new FileWriter("myoutputfile.txt");
            printWriter = new PrintWriter(fileWriter);

            printWriter.println(true);
            printWriter.println((int) 123);
            printWriter.println((float) 123.456);

            int intValue = 98;
            double doubleValue = 899.87;
            /*
             * public PrintWriter printf(String format,
             *                                  Object... args)
             * 
             * A convenience method to write a formatted
             * string to this writer using the specified
             * format string and arguments.
             */
            printWriter.printf("i = %d and k = %f", intValue, doubleValue);

            System.out.println("Successfully written to the file."
                    + "please check the file \'myoutputfile.txt\'");

        }
        finally
        {
            if (fileWriter != null)
            {
                fileWriter.close();
            }
            if (printWriter != null)
            {
                printWriter.close();
            }
        }

    }
}
Output
Successfully written to the file.please check the file 'myoutputfile.txt'
myoutputfile.txt
true
123
123.456
i = 98 and k = 899.870000
Click the below link to download the code:
https://sites.google.com/site/ramj2eev1/home/javabasics/JavaIODemo_PrintWriter_Intro_App.zip?attredirects=0&d=1

Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava/JavaIODemo_PrintWriter_Intro_App

Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/6677706d119a4693a72878c56e3b8b5e20670e29/BasicJava/JavaIODemo_PrintWriter_Intro_App/?at=master

See also:
  • All JavaEE Viedos Playlist
  • All JavaEE Viedos
  • All JAVA EE Links
  • Servlets Tutorial
  • All Design Patterns Links
  • JDBC Tutorial
  • Java Collection Framework Tutorial
  • JAVA Tutorial
  • Kids Tutorial
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