The base class does not override the reference type of the Object. Equals method to implement Equals.

/// ==++ ==//// Copyright (c) OwnCom Corporation. all rights reserved. //// = -- =/* = ========================================================== ========== ***** Class: myRefType ***** Purpose: the Object is not overwritten for the base class. equals ***** ==================================== ========================================================== ========= */class MyRefType: baseType {RefType retObj; // This field is a reference type ValueType: valObj; // This field is a value type publi C overide boolean Equals (object obj) {// if the base class has implemented the Equals method // first let the base type compare the fields in it // if (! Base. equals (obj) return false; // if obj is null, if (obj = null) return false; // if the types of the two objects are different, if (this. getType ()! = Obj. GetType () return false; // convert obj to a defined type to access its field. // Note that the transformation here will not fail, because it is known that it is the same type MyRefType other = (MyRefType) obj; // compare the reference type field if (! Object. Equals (refObj, other. refObj) return false; // compare the value type fields, use the Equals method of this field type if (! Valobj. Equals (other. valobj) return false; return true;} // reload = and! = Operator public static boolean operator = (MyRefType o1, MyRefType o2) {return Object. Equals (o1, o2);} public static boolean operator! = (MyRefType o2, MyRefType o2) {return! (O1 = o2 );}}