Java three methods append content to end of file

Package org.outman.dms.server;   
    Import Java.io.BufferedWriter;   
    Import Java.io.FileOutputStream;   
    Import Java.io.FileWriter;   
    Import java.io.IOException;   
    Import Java.io.OutputStreamWriter;   
      
    Import Java.io.RandomAccessFile; /** * Description: Append content to end of file * @author Administrator */public class Writestreamappend {/  
        * * Append files: Using FileOutputStream, when constructing FileOutputStream, set the second argument to True * * @param fileName * @param content */public static void Method1 (string file, String conent) {Bufferedwr   
           ITER out = null; try {out = new BufferedWriter (New OutputStreamWriter FileOutputStream (fil   
              E, true));   
           Out.write (conent);   
           catch (Exception e) {e.printstacktrace (); Finally {try {out.close ();  
               catch (IOException e) {e.printstacktrace ();  
        }}/** * Append files: Using filewriter * * @param fileName   
           * @param content */public static void Method2 (string fileName, string content) { try {//Open a write file, the second argument in the constructor is true to write the file in append form FileWriter writer = new FileWriter (Filenam   
               E, true);   
               Writer.write (content);   
           Writer.close ();   
           catch (IOException e) {e.printstacktrace ();             }/** * Append files: Using randomaccessfile * * @param fileName * FileName * @param content * Append/public static void Method3 (S)   
           Tring FileName, String content) {try {//Open a random Access file stream, read-write    Randomaccessfile randomfile = new Randomaccessfile (fileName, "RW");   
               File length, byte number long filelength = Randomfile.length ();   
               Moves the write file pointer to the end of the file.  
              Randomfile.seek (filelength); 
               String S2=new string (content.getbytes ("GBK"), "iso8859-1");
               Randomfile.writebytes (S2);   
           Randomfile.close ();   
           catch (IOException e) {e.printstacktrace ();   
           } public static void Main (string[] args) {System.out.println ("start");   
           Method1 ("C:/work/test.txt", "Append to end of file 1"); 
           METHOD2 ("C:/work/test.txt", "Append to end of File 2");   
  
          Method3 ("C:/work/test.txt", "Append to end of File 3");   
       System.out.println ("End");   }   
     
   }