Defu Cui@yubocdfUnited StatesFollowAboutEducationOld Dominion University, Norfolk BadgesProblem SolvingCPPJavaPythonDays of CodeDays ofStatistics CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Java (Basic)VerifiedskillCertificate: Java (Intermediate)VerifiedskillWork Experienceyubocdf has not updated employment details yet.EducationOld Dominion University, Norfolk