<dependency> <groupId>com.jcabi</groupId> <artifactId>jcabi-immutable</artifactId> <version>0.13.3</version> </dependency> @Immutable public class Person { private final String name; private final int age; public Person(String name, int age) { this.name = name; this.age = age; } // getters } @Immutable(builder = ImmutablePerson.Builder.class) public class Person { private final String name; private final int age; private Person(String name, int age) { this.name = name; this.age = age; } public static class Builder { private String name; private int age; public Builder name(String name) { this.name = name; return this; } public Builder age(int age) { this.age = age; return this; } public Person build() { return new Person(name, age); } } // getters }


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