用集合封装用户名，密码，地址，性别。java编写一个方法，参数为改集合，实现展示所有用户信息

用集合封装用户名，密码，地址，性别。java编写一个方法，参数为改集合，实现展示所有用户信息

public class User {
private String username;
private String password;
private String address;
private String sex;
public User(){}

public User(String username, String password, String address, String sex) {
super();
this.username = username;
this.password = password;
this.address = address;
this.sex = sex;
}

public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
public String getSex() {
return sex;
}
public void setSex(String sex) {
this.sex = sex;
}

public String toString() {
return this.getUsername()+","+this.getPassword()+","+this.getAddress()+","+this.getSex();
}

public List showAllInfo(){
User u=new User("name","upass","hz","male");
List userlist=new ArrayList();
userlist.add(u);
return userlist;
}

public static void main(String[] args) {
User u=new User();
List list=u.showAllInfo();
for (int i=0;i System.out.println(list.get(i));
}

}
}