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import lombok.AccessLevel;
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import lombok.Getter;
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import lombok.Setter;
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@Getter
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@Setter
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public class GetterSetter {
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    private int id;
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    private String name;
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    @Setter(AccessLevel.PROTECTED)
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    private int yob;
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    /*
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        Above annotation is specify the access level of the setter method.
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        protected void setYob (int yob){
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            this.yob = yob;
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        }
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    */
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    public GetterSetter(int id, String name, int yob) {
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        this.id = id;
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        this.name = name;
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        this.yob = yob;
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    }
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    public static void main(String[] args) {
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        System.out.println(new GetterSetter(1, "Hoang", 1999).getYob());
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    }
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}

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import lombok.AllArgsConstructor;
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//@lombok.ToString //ToString(id=1, name=Hoang, surname=Le)
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//@lombok.ToString(includeFieldNames = false) //ToString(1, Hoang, Le)
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//@lombok.ToString(exclude = "id") //ToString(name=Hoang, surname=Le)
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@lombok.ToString(of = {"name", "surname"}) //ToString(name=Hoang, surname=Le)
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@AllArgsConstructor
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public class ToString {
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    private int id;
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    private String name;
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    private String surname;
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    public static void main(String[] args) {
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        System.out.println(new ToString(1, "Hoang", "Le"));
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    }
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    /*
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        @lombok.ToString: default with option (includeFieldNames = true), will return ToString(id=1, name=Hoang, surname=Le)
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        @lombok.ToString(includeFieldNames = false) //ToString(1, Hoang, Le)
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        All non-static, non-transient fields are printed. If you want to exclude some fields, you can use the exclude parameter.
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        @lombok.ToString(exclude = "id") //ToString(name=Hoang, surname=Le)
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        Otherwise, you can select each field you wish to be taken into account.
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        @lombok.ToString(of = {"name", "surname"}) //ToString(name=Hoang, surname=Le)
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     */
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}

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@lombok.Data
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public class Data {
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    /* @lombok.Data will generate the following methods:
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        - Getter for all fields
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        - Setter for all non-final fields
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        - equals, hashCode, and toString methods
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        - Constructor with all final fields
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    */
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    private final int id;
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    private final String birthPlace;
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    private String name;
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    private String surname;
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    public static void main(String[] args) {
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        Data data = new Data(1,"1"); //only the id is required to be initialized
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        //Data data2 = new Data(1,"Hoang","Vietnam") //error
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        System.out.println(data);
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    }
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}

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import lombok.AllArgsConstructor;
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import lombok.NoArgsConstructor;
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import lombok.RequiredArgsConstructor;
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@NoArgsConstructor(force = true)
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@AllArgsConstructor
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@RequiredArgsConstructor
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public class ArgsConstructor {
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    private int id;
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    private String name;
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    private String surname;
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    private final String birthPlace; //the final field is required to be initialized in the constructor
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    /*
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    // @NoArgsConstructor
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    public Author() {}
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    // @AllArgsConstructor
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    public Author(int id, String name, String surname, String birthPlace) {
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      this.id = id
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      this.name = name
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      this.surname = surname
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      this.birthPlace = birthPlace
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    }
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    // @RequiredArgsConstructor
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    public Author(String birthPlace) {
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      this.birthPlace = birthPlace
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    }
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    */
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    public static void main(String[] args) {
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        ArgsConstructor author = new ArgsConstructor(1, "Hoang", "Le", "Vietnam");
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        System.out.println(author);
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    }
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}