Encode String to UTF-8

Question

I have a String with a      character and I have some problems with it  I need to encode this String to UTF-8 encoding  I have tried it by this way  but it doesn t work   byte ptext     myString getBytes    String value   new String ptext   UTF-8      How do I encode that string to utf-8

User · Answer

A quick step-by-step guide how to configure NetBeans default encoding UTF-8. In result NetBeans will create all new files in UTF-8 encoding.

NetBeans default encoding UTF-8 step-by-step guide

Go to etc folder in NetBeans installation directory
Edit netbeans.conf file
Find netbeans_default_options line
Add -J-Dfile.encoding=UTF-8 inside quotation marks inside that line

(example: netbeans_default_options="-J-Dfile.encoding=UTF-8")
Restart NetBeans

You set NetBeans default encoding UTF-8.

Your netbeans_default_options may contain additional parameters inside the quotation marks. In such case, add -J-Dfile.encoding=UTF-8 at the end of the string. Separate it with space from other parameters.

Example:

netbeans_default_options="-J-client -J-Xss128m -J-Xms256m -J-XX:PermSize=32m -J-Dapple.laf.useScreenMenuBar=true -J-Dapple.awt.graphics.UseQuartz=true -J-Dsun.java2d.noddraw=true -J-Dsun.java2d.dpiaware=true -J-Dsun.zip.disableMemoryMapping=true -J-Dfile.encoding=UTF-8"

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User · Answer

This solved my problem      String inputText    some text with escaped chars      InputStream is   new ByteArrayInputStream inputText getBytes  UTF-8

User · Answer

A Java String is internally always encoded in UTF-16 - but you really should think about it like this  an encoding is a way to translate between Strings and bytes   So if you have an encoding problem  by the time you have String  it s too late to fix  You need to fix the place where you create that String from a file  DB or network connection

User · Answer

In Java7 you can use   import static java nio charset StandardCharsets     byte   ptext   myString getBytes ISO 8859 1    String value   new String ptext  UTF 8      This has the advantage over getBytes String  that it does not declare throws UnsupportedEncodingException   If you re using an older Java version you can declare the charset constants yourself   import java nio charset Charset   public class StandardCharsets       public static final Charset ISO 8859 1   Charset forName  ISO-8859-1        public static final Charset UTF 8   Charset forName  UTF-8

User · Answer

I have use below code to encode the special character by specifying encode format   String text    This is an example      byte   byteText   text getBytes Charset forName  UTF-8       To get original string from byte  String originalString  new String byteText    UTF-8

User · Answer

String value   new String myString getBytes  UTF-8       and  if you want to read from text file with  ISO-8859-1  encoded   String line  String f    C   MyPath  MyFile txt   try       BufferedReader br   Files newBufferedReader Paths get f   Charset forName  ISO-8859-1         while   line   br readLine       null            System out println new String line getBytes  UTF-8              catch  IOException ex

User · Answer

Use byte   ptext   String getBytes  UTF-8    instead of getBytes    getBytes   uses so-called  default encoding   which may not be UTF-8

User · Answer

In a moment I went through this problem and managed to solve it in the following way  first i need to import   import java nio charset Charset    Then i had to declare a constant to use UTF-8 and ISO-8859-1  private static final Charset UTF 8   Charset forName  UTF-8    private static final Charset ISO   Charset forName  ISO-8859-1      Then I could use it in the following way   String textwithaccent  Th  s   s a text with accent   String textwithletter    and      text1   new String textwithaccent getBytes ISO   UTF 8   text2   new String textwithletter getBytes ISO  UTF 8

User · Answer

You can try this way   byte ptext     myString getBytes  ISO-8859-1     String value   new String ptext   UTF-8

User · Answer

How about using  ByteBuffer byteBuffer   StandardCharsets UTF 8 encode myString

User · Answer

String objects in Java use the UTF-16 encoding that can t be modified   The only thing that can have a different encoding is a byte    So if you need UTF-8 data  then you need a byte    If you have a String that contains unexpected data  then the problem is at some earlier place that incorrectly converted some binary data to a String  i e  it was using the wrong encoding

[java] Encode String to UTF-8

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