how could i make a class should be immuable

please give me the exac pseudo code for make the class should be immutable

public final class FinalClass {}

import java.lang.reflect.Modifier;

public final class FinalClass{


public static void main(String[] args){
try{
System.out.println("This class is "+Modifier.isFinal(Class.forName("FinalClass").getModifiers())+"ly final.");
}catch(ClassNotFoundException cnge){}
}

}

Select allOpen in new window