Ciao.......gentilmente mi potreste dire il modo per svuotare,non eliminare, un file di testo txt?il file l'ho creato con il seguente codice
ho provato ad inserire file.delete() ma non vą.Graziecodice:import java.io.PrintWriter; import java.io.PrintStream; import java.io.OutputStreamWriter; import java.io.InputStreamReader; import java.io.FileOutputStream; import java.io.BufferedReader; import java.io.FileInputStream; import java.io.IOException; import java.io.UnsupportedEncodingException; import java.io.File; import java.io.FileWriter; import java.io.PrintStream; import java.io.*; import java.util.*; public class esempio1 { public static void main(String[] args) throws IOException{ FileWriter fw = new FileWriter("c:/scrittura.txt"); PrintWriter out = new PrintWriter(fw); out.println("<root>"); try{ BufferedReader i = new BufferedReader(new InputStreamReader(new FileInputStream("c:/test.txt"),"UTF-16")); String str = i.readLine(); while(str!=null){ out.println(str); str=i.readLine();} } catch(UnsupportedEncodingException ue){ System.out.println("Not supported : "); } out.println ("</root>"); out.close(); } }
Daniele

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