Alfred Yuan@CityAnimalFollow BadgesProblem SolvingJava CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillWork ExperienceCityAnimal has not updated employment details yet.EducationTongji University, ShanghaiLinksGithubhttps://github.com/myhelloos SkillsCityAnimal has not updated skills details yet.