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

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

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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

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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

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

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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

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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

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How about using  ByteBuffer byteBuffer   StandardCharsets UTF 8 encode myString

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

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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

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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  quot -J-Dfile encoding UTF-8 quot    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  quot -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 quot   here is link for Further Details

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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

[java] Encode String to UTF-8

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