Person class with hashCode and equals

Person.java

public class Person {
    private Integer id;
    private String name;

    public Person(Integer id, String name) {
        this.id = id;
        this.name = name;
    }

    public int hashCode() {
        return Objects.hash(id);
    }

    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        Person other = (Person) obj;
        return Objects.equals(id, other.id);
    }
}