Friend : Model

package com.example.sqlitedemo03.model;
import java.io.Serializable;
import java.util.Objects;
public class Friend implements Serializable {
private int id;
private final String name;
private final String address;
private final String phone;
public Friend(int id, String name, String address, String phone) {
this.id = id;
this.name = name;
this.address = address;
this.phone = phone;
}
public Friend(String name, String address, String phone) {
this.name = name;
this.address = address;
this.phone = phone;
}
public int getId() {
return id;
}
public String getName() {
return name;
}
public String getAddress() {
return address;
}
public String getPhone() {
return phone;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Friend friend = (Friend) o;
return id == friend.id && name.equals(friend.name) && Objects.equals(address, friend.address) && Objects.equals(phone, friend.phone);
}
@Override
public int hashCode() {
return Objects.hash(id, name, address, phone);
}
@Override
public String toString() {
return String.format("%-3d %-20s %-30s %-14", getId(), getName(), getAddress(), getPhone());
}
}