上游充通大学 Refactoring Example:Pull Up Constructor SHANGHAI JIAO TONG UNIVERSITY Body public class User public class User private String email; public User(String email) this.email email; public class Player extends User 3 public class Player extends User public Player(String email){ this.email email; public Player(String email){ super(ema11); publ ic class LeagueOwner extends 3 eagueOwner(String Usert publ ic class LeagueOwner extends this.email email; User t 3 mieagueOwner(String 3 super(email); public class Adyertiser 3 extendsUser{ iAdvertiser(String this.email email; publ ic class Advertiser extends User t 3 dvertiser(String super(email); Software EngineeringSoftware Engineering Refactoring Example: Pull Up Constructor Body public class User { private String email; } public class Player extends User { public Player(String email) { this.email = email; } } public class LeagueOwner extends User{ public LeagueOwner(String email) { this.email = email; } } public class Advertiser extendsUser{ public Advertiser(String email) { this.email = email; } } public class User { public User(String email) { this.email = email; } } public class Player extends User { public Player(String email) { super(email); } } public class LeagueOwner extends User { public LeagueOwner(String email) { super(email); } } public class Advertiser extends User { public Advertiser(String email) { super(email); } }