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java override equals and hashcode

Stormy Salamander answered on April 15, 2020 Popularity 10/10 Helpfulness 5/10

answer java override equals and hashcode

java override equals and hashcode

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// EXAMPLE CLASS
public class User {
    private String name;
    private int age;
    private String passport;
	
	@Override public boolean equals(Object o) {
        if (o == this)  {
          return true;
        }
        if (!(o instanceof User)) {
            return false;
        }

        User user = (User) o;

        return user.name.equals(name) && 
				user.age == age && 
          		user.passport.equals(passport);
    }
  
    @Override public int hashCode() {
        int result = 17;
        result = 31 * result + name.hashCode();
        result = 31 * result + age;
        result = 31 * result + passport.hashCode();
        return result;
    }

Popularity 10/10 Helpfulness 5/10 Language java

Source: Grepper

Tags: equals hashcode java

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Contributed on Apr 15 2020

Stormy Salamander

0 Answers Avg Quality 2/10

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