title: error: cannot find symbol IOUtils.copy(in, out);
body: <p>Using Apache ANT to built. Included the commons-io-2.4.jar in classpath.
  Compiler shows this error:</p>
  
  <pre><code> error: cannot find symbol
      [javac]         IOUtils.copy(in, out);
  </code></pre>
  
  <h2>EDIT - code</h2>
  
  <pre><code>File f1 = new File("c:\\json\\user.json");
   File f2 = new File("c:\\json\\user1.json");
  
   InputStream in = new FileInputStream(f1);
   OutputStream out = new FileOutputStream(f2, true); // appending output stream
  
   try {
      IOUtils.copy(in, out);
   }
   finally {
       IOUtils.closeQuietly(in);
       IOUtils.closeQuietly(out);
   }
  </code></pre>
  
  <h2>EDIT- Answer</h2>
  
  <p>Did a mistake with the imports.
  import org.apache.commons.io.IOUtils; </p>