Tutorial 41 The Equals Method

//Tutorial 41 The Equals Method
//pretty easy straight forward stuff
class Person {
    private int id;
    private String name;

    public Person(int id, String name) { //rightclick>source>generate constructor using fields>check all fields you want>delete "super()"
        this.id = id;
        this.name = name;
    }

    @Override
    public String toString() { //rightclick>source>generate toString>click the fields you want
        return "Person [id=" + id + ", name=" + name + "]";
    }

    @Override
    public int hashCode() {  //to generate .equals method, rightclick>source>hashCode()andequals()>check the fields you want to compare
        final int prime = 31;
        int result = 1;
        result = prime * result + id;
        result = prime * result + ((name == null) ? 0 : name.hashCode());
        return result;
    }

    @Override
    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;
        if (id != other.id)
            return false;
        if (name == null) {
            if (other.name != null)
                return false;
        } else if (!name.equals(other.name))
            return false;
        return true;
    }

}

public class App {

    public static void main(String[] args) {

        Person person1 = new Person(5, "Bob");
        Person person2 = new Person(5, "Bob");

        person2 = person1;

            System.out.println(person1.equals(person2)); //.equalS to tell if values are equal
    }
}

//---------------------------------------------------------------------------------------------------------------------------------------
/* Run Results:
True
*/