Hao Le@knowhaoFollow BadgesProblem SolvingJavaDays of CodeSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experienceknowhao has not updated employment details yet.Educationknowhao has not updated education details yet.Linksknowhao has not updated links details yet. Skillsknowhao has not updated skills details yet.