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class SensitiveClass implements Cloneable {
  protected SensitiveClass(String passwd) {
    // perform security manager check
    System.out.println("SensitiveClass construction done!");
  }

  protected void use(){
    System.out.println("In method use()");
  }

  public SensitiveClass Clone() {  // well-behaved clone() method
    SensitiveClass s = null;
    try {
      s = (SensitiveClass)super.clone();	        
    }catch(Exception e) { System.out.println("not cloneable"); }
  return s;
  }
}

class Foo {
  protected void privileged() {
    final SensitiveClass[] sc = new SensitiveClass[2];

    AccessController.doPrivileged(new PrivilegedAction() {  
      public Object run() {
        sc[0] = new SensitiveClass("password"); // object creation with the password
        sc[0].use();  //allowed
        return null;    
      }		
    });
  
    sc[1] = sc[0].Clone(); // object creation without the password
    sc[01].use();  // this should not be allowed
  }

  public static void main(String[] args) {
    Foo f = new Foo();
    f.privileged();
  }
}