Huimin Xu@hmxu1Follow BadgesProblem SolvingJava CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiencehmxu1 has not updated employment details yet.Educationhmxu1 has not updated education details yet.Linkshmxu1 has not updated links details yet. Skillshmxu1 has not updated skills details yet.