定义一个User类,包括:数据成员——用户名、密码;方法成员——身份验证、修改密码。用Java怎么编写,思路也行
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public class User {
private String username;
private String password;
public User(String username, String password) {
this.username = username;
this.password = password;
}
public boolean identify(String username, String password) {
return (this.username.equals(username)) && (this.password.equals(password));
}
public String modifyPassword(String oldPassword, String newPassword) {
String tip;
if (this.password.equals(oldPassword)) {
this.password = newPassword;
tip = "密码修改成功";
} else {
tip = "密码修改失败";
}
return tip;
}
public String getPassword() {
return this.password;
}
public String getUsername() {
return this.username;
}
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