Che-Kai Chang@ckkchangFollow BadgesProblem SolvingCPPJavaPythonDays of Code CertificationsCertificate: Java (Basic)VerifiedskillCertificate: Problem Solving (Basic)VerifiedskillCertificate: Java (Intermediate)VerifiedskillCertificate: C++ (Basic)VerifiedskillCertificate: C++ (Intermediate)VerifiedskillWork Experienceckkchang has not updated employment details yet.Educationckkchang has not updated education details yet.Linksckkchang has not updated links details yet. Skillsckkchang has not updated skills details yet.