LombokのBuilderパターン解説 - Qiita

final class FooFooFooDto { private final String title; private final int number; private final boolean isFoo; FooFooFooDto(String title, int number, boolean isFoo) { this.title = title; this.number = number; this.isFoo = isFoo; } public static FooFooFooDtoBuilder builder() { return new FooFooFooDtoBuilder(); } public static class FooFooFooDtoBuilder { private String title; private int number; priv