Tuesday, 29 March 2016

Java Tutorial : Java String [getBytes(String charsetName) method]


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Java Tutorial : Java String [getBytes(String charsetName) method] 
GetBytesDemo.java
import java.io.UnsupportedEncodingException;

/*
 * public byte[] getBytes(String charsetName) throws
 * UnsupportedEncodingException
 * 
 * Parameters: 
 * ---------- 
 * charsetName - The name of a supported charset.
 * 
 * Returns: 
 * ------- 
 * The resultant byte array
 * 
 * Throws: 
 * ------ 
 * UnsupportedEncodingException - If the named
 * charset is not supported
 */
public class GetBytesDemo
{
    public static void main(String[] args)
    {
        String str = "Hi";

        try
        {
            byte[] byteArray = str.getBytes("UTF-8");
            System.out
                    .println("byteArray of \"Hi\" with charsetName \"UTF-8\" = "
                            + byteArray);
            for (byte b : byteArray)
            {
                System.out.println(b);
            }
            System.out.println("--------------------");
            byteArray = str.getBytes("ISO-8859-1");
            System.out
                    .println("byteArray of \"Hi\" with charsetName \"ISO-8859-1\" = "
                            + byteArray);
            for (byte b : byteArray)
            {
                System.out.println(b);
            }
        }
        catch (UnsupportedEncodingException e)
        {
            e.printStackTrace();
        }

    }
}
Output
byteArray of "Hi" with charsetName "UTF-8" = [B@1a93a7ca
72
105
--------------------
byteArray of "Hi" with charsetName "ISO-8859-1" = [B@66cd51c3
72
105

Refer:

http://unicode-table.com/en/
https://en.wikipedia.org/wiki/List_of_Unicode_characters

Click the below link to download the code:
https://sites.google.com/site/javaee4321/java/StringDemo_getBytes_charsetName_App.zip?attredirects=0&d=1

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

Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/219b10088440d75a7105e6bff5bbab9e88ad9a80/BasicJava/StringDemo_getBytes_charsetName_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
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