@Data注解相当于@Getter @Setter @RequiredArgsConstructor @ToString @EqualsAndHashCode这5个注解的合集。 通过官方文档,可以得知,当使用@Data注解时,则有了@EqualsAndHashCode注解,那么就会在此类中存在equals(Object other) 和 hashCode()方法,且不会使用父类的属性。 如果两个对象的属性相同,就会认为这两个对象相...
@Data注解相当于@Getter @Setter @RequiredArgsConstructor @ToString @EqualsAndHashCode这5个注解的合集。 通过官方文档,可以得知,当使用@Data注解时,则有了@EqualsAndHashCode注解,那么就会在此类中存在equals(Object other) 和 hashCode()方法,且不会使用父类的属性。 如果两个对象的属性相同,就会认为这两个对象相...
If you want to follow the very sane rule of “favor composition over inheritance” that’s something Java does not really help with, verbosity wise. If you want to compose objects, you’d typically need to write delegating method calls all over the place. Lombok proposes a solution for this...
只需要定义一个静态公共的内部类即可。...的话,可以直接使用@Builder注解来实现改造上面的类如下: import lombok.Builder; import lombok.ToString; /** * @author wulongtao...参考博客评论: Lombok’s @Builder annotation and inheritance 如何在使用@Builder的模式中,加入字段的默认值。...自定义静态内部类...
Java doesn’t have language-level constructs to smooth out a “favor composition inheritance” approach. Other languages have built-in concepts such asTraitsorMixinsto achieve this. Lombok’s@Delegatecomes in very handy when we want to use this programming pattern.Let’s consider an example, whe...
import java.time.LocalDate; public class Person { String firstName; String lastName; LocalDate dateOfBirth; public Person(String firstName, String lastName, LocalDate dateOfBirth) { super(); this.firstName = firstName; this.lastName = lastName; ...
This of course makes it complicated if you mix the @SuperBuilder or inheritance as the hasXXX fields are most likely private and not accessible for the parent classes. What you could do instead is to have a protected (for the @SuperBuilder) constructor that takes the builder object as the...