Yang Huajie@WangZiFollow BadgesProblem SolvingJava CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork ExperienceWangZi has not updated employment details yet.EducationWangZi has not updated education details yet.LinksGithubhttps://github.com/yhjhoo SkillsWangZi has not updated skills details yet.