How to write a UTF-8 file with Java

Question

I have some current code and the problem is its creating a 1252 codepage file  i want to force it to create a UTF-8 file  Can anyone help me with this code  as i say it currently works    but i need to force the save on utf   can i pass a parameter or something    this is what i have  any help really appreciated  var out   new java io FileWriter  new java io File  path             text   new java lang String  src              out write  text  0  text length          out flush        out close

User · Answer

All of the answers given here wont work since java s UTF-8 writing is bugged   http   tripoverit blogspot com 2007 04 javas-utf-8-and-unicode-writing-is html

User · Answer

The Java 7 Files utility type is useful for working with files   import java nio charset StandardCharsets  import java nio file Files  import java nio file Path  import java nio file Paths  import java io IOException  import java util     public class WriteReadUtf8     public static void main String   args  throws IOException       List lt String gt  lines   Arrays asList  These    are    lines         Path textFile   Paths get  foo txt        Files write textFile  lines  StandardCharsets UTF 8        List lt String gt  read   Files readAllLines textFile  StandardCharsets UTF 8        System out println lines equals read            The Java 8 version allows you to omit the Charset argument - the methods default to UTF-8

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var out   new java io PrintWriter new java io File path    UTF-8    text   new java lang String  src          out print text   out flush    out close

User · Answer

Instead of using FileWriter  create a FileOutputStream  You can then wrap this in an OutputStreamWriter  which allows you to pass an encoding in the constructor  Then you can write your data to that inside a try-with-resources Statement   try  OutputStreamWriter writer                new OutputStreamWriter new FileOutputStream PROPERTIES FILE   StandardCharsets UTF 8          do stuff

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we can write the UTF-8 encoded file with java using  use PrintWriter to write UTF-8 encoded xml  Or Click here  PrintWriter out1   new PrintWriter new File  C   abc xml     UTF-8

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Try this  Writer out   new BufferedWriter new OutputStreamWriter      new FileOutputStream  outfilename     UTF-8     try       out write aString     finally       out close

User · Answer

Try using FileUtils write from Apache Commons   You should be able to do something like   File f   new File  output txt     FileUtils writeStringToFile f  document outerHtml     UTF-8      This will create the file if it does not exist

User · Answer

Since Java 7 you can do the same with Files newBufferedWriter a little more succinctly   Path logFile   Paths get   tmp example txt    try  BufferedWriter writer   Files newBufferedWriter logFile  StandardCharsets UTF 8         writer write  Hello World

User · Answer

Below sample code can read file line by line and write new file in UTF-8 format  Also  i am explicitly specifying Cp1252 encoding       public static void main String args    throws IOException        BufferedReader br   new BufferedReader new InputStreamReader              new FileInputStream  c   filenonUTF txt                 Cp1252         String line       Writer out   new BufferedWriter              new OutputStreamWriter new FileOutputStream                       c   fileUTF txt     UTF-8          try            while   line   br readLine       null                 out write line               out write   n                      finally            br close            out close

[java] How to write a UTF-8 file with Java?

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