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class NewFinal implements Cloneable
{
 NewFinal(int a, int b){
  this.a = a;
  this.b = b;
 }
 void print_ab(){
  System.out.println("the value a is: "+this.a);
  System.out.println("the value b is: "+this.b);
 }
 void set_ab(int a, int b){
  this.a = a;
  this.b = b;
 }
 public NewFinal clone() throws CloneNotSupportedException{
  NewFinal cloned = (NewFinal) super.clone();
  return cloned;
 }
 private int a;
 private int b;
}
public class Test2 {
 
 public static void main(String[] args) {
        final NewFinal mytest = new NewFinal(1,2);
        mytest.print_ab();
        //get the copy of original object
        try   try {
         
  NewFinal         NewFinal mytest2 = mytest.clone();
         //now we change the value of a,b of the copy.
  mytest2         mytest2.set_ab(5, 6);
         //but the original value will not be changed
         mytest.print_ab();
  } catch (CloneNotSupportedException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }
       
     }
}



Risk Assessment

Using final to declare the reference to an object is a potential security risk, because the contents of the object can still be changed. 

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