AccessController.doPrivileged(new PrivilegedAction() ) : Modifier « Reflection « Java Tutorial

1. Java Tutorial
2. Reflection
3. Modifier

import java.io.File;
import java.security.AccessController;
import java.security.PrivilegedAction;


public class Main {

  
  static long getLastModified(final File f) {
      return ((Long)
              AccessController.doPrivileged(new PrivilegedAction() {
                  public Object run() {
                      return new Long(f.lastModified());
                  }
              })).longValue();
  }
  
}