Java中Lombok常用注解分享

<dependency>
    <groupId>org.projectlombok</groupId>
    <artifactId>lombok</artifactId>
    <optional>true</optional>
</dependency>

import lombok.Getter;
import lombok.Setter;


@Getter
@Setter
public class Student {
    int id;
    String name;
    int age;
}

@ToString
public class Student {
    int id;
    String name;
    int age;
}

import lombok.EqualsAndHashCode;

@EqualsAndHashCode
public class Student {
    int id;
    String name;
    int age;
}

import lombok.EqualsAndHashCode;

//把name属性排除在外
@EqualsAndHashCode(exclude = "name")
public class Student {
    int id;
    String name;
    int age;
}

import lombok.NoArgsConstructor;

@NoArgsConstructor
public class Student {
    int id;
    String name;
    int age;
}

import lombok.AllArgsConstructor;

@AllArgsConstructor
public class Student {
    int id;
    String name;
    int age;
}

import lombok.RequiredArgsConstructor;

@RequiredArgsConstructor
public class Student {
    int id;
    final String name;
    int age;

    public static void main(String[] args) {
        Student student = new Student("33");
    }
}

import lombok.Builder;
import lombok.Data;

@Builder
@Data
public class Student {
    int id;
    String name;
    int age;

    public static void main(String[] args) {
    Student student =                           Student.builder().id(1).name("water").age(18).build();
    }
}

@Slf4j
public class Student {
    int id;
    String name;
    int age;

    public static void main(String[] args) {
        log.info("hello world");
    }
}