ret = **.toString();

　　** = null;

　　return ret;

　　}

　　public KeyFile() {

　　keyType = 1;

　　keyVersion = "20020918";

　　Calendar cl = Calendar.getInstance();

　　cl.add(Calendar.YEAR,2);

　　long d = cl.getTime().getTime();

　　d /= 100000;

　　d *= 100000;

　　expiredDate = new Date(d);

　　email = "vhly@163.com";

　　machinelInfo = "Java";

　　userName = "qqyang";

　　productName = "Visual Paradigm for UML Enterprise Edition";

　　productVersion = "6.2";

　　productBuild = "20060214";

　　d = new Date().getTime();

　　d /= 100000;

　　d *= 100000;

　　registerDate = new Date(d);

　　serialNumber = Long.toString(System.currentTimeMillis());

　　evaluation = false;

　　upgradeSN = "";

　　tagValue = "";

　　type = 1;

　　}