filelocking.java.svn-base

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import java.io.FileOutputStream;
import java.nio.channels.*;
public class FileLocking {
  public static void main(String[] args) throws Exception {
    FileOutputStream fos= new FileOutputStream("file.txt");
    FileLock fl = fos.getChannel().tryLock();
    if(fl != null) {
      System.out.println("Locked File");
      Thread.sleep(100);
      fl.release();
      System.out.println("Released Lock");
    }
    fos.close();
  }
}