Builder imutável

PersonImmutableBuilder.java

public final class PersonImmutableBuilder {

	private final String name;
	private final String cpf;

	public PersonImmutableBuilder() {
		this(null, null);
	}

	private PersonImmutableBuilder(final String name, final String cpf) {
		this.name = name;
		this.cpf = cpf;
	}

	public PersonImmutableBuilder withName(final String name) {
		return new PersonImmutableBuilder(name, this.cpf);
	}

	public PersonImmutableBuilder withCpf(final String cpf) {
		return new PersonImmutableBuilder(this.name, cpf);
	}

	public Person build() {
		return new Person(name, cpf);
	}

	public class Person {
		private final String name;
		private final String cpf;

		private Person(final String name, final String cpf) {
			this.name = name;
			this.cpf = cpf;
		}
	}
}