Person.java

package com.stevenmwesigwa.equalsandhashcode.demo1;
        
public class Person {

    private String firstname;
    private String lastname;
        
        //Getters
        //Setters
        
    @Override
    public int hashCode() {
        int hash = 7;
        hash = 29 * hash + Objects.hashCode(this.firstname);
        hash = 29 * hash + Objects.hashCode(this.lastname);
        return hash;
    }

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