make immutable to a class having mutable class in java

Outstanding Oryx answered on February 26, 2024 Popularity 3/10 Helpfulness 1/10

answer make immutable to a class having mutable class in java

make immutable to a class having mutable class in java

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public final class Person implements Cloneable {
    private final String name;
    private final int age;
    private Address address;

    public Person(String name, int age, Address address) {
        this.name = name;
        this.age = age;
        this.address = address;
    }

    public String getName() {
        return name;
    }

    public int getAge() {
        return age;
    }

    // Return a defensive copy of the mutable field
    public Address getAddress() {
        return address;
    }

    @Override
    public Object clone() {
        try {
            // Perform deep cloning for mutable field
            Person clone = (Person) super.clone();
            clone.address = new Address(this.address.getStreet(), this.address.getCity());
            return clone;
        } catch (CloneNotSupportedException e) {
            throw new InternalError(e);
        }
    }

    // Address class within Person
    public static class Address {
        private String street;
        private String city;

        public Address(String street, String city) {
            this.street = street;
            this.city = city;
        }

        public String getStreet() {
            return street;
        }

        public String getCity() {
            return city;
        }
    }
}

Popularity 3/10 Helpfulness 1/10 Language java

Source: chat.openai.com

Tags: class having java mutable

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Contributed on Feb 26 2024

Outstanding Oryx

0 Answers Avg Quality 2/10

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make immutable to a class having mutable class in java

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