Hao Tran@haovn577Follow BadgesProblem SolvingJavaDays of Code CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiencehaovn577 has not updated employment details yet.Educationhaovn577 has not updated education details yet.LinksGithubhttps://github.com/haocse Skillshaovn577 has not updated skills details yet.