技術標籤：java

題目：

              編寫一個丈夫類和妻子類，要求丈夫類的屬性包括身份證號，姓名，出生日期，妻子，妻子類的屬性包括身份證號，姓名，出生日期，丈夫，並讓他們關聯起來

程式碼：

public class Test {
    public static void main(String[] args){
        Husband husband = new Husband(123456,"李二","1999-10-11",null);

        Wife wife = new Wife(1010101,"王五"
 
,"1900-11-2",null);

        //讓兩個產生關係
        husband.setWife(wife);
        wife.setHusband(husband);

        System.out.println(wife.getName() + "的丈夫是" + wife.getHusband().getName());
    }
}

class Husband{
    private int idCard;
    private String name;
    private String birthday;
 


    private Wife wife;

    public Husband(){}

    public Husband(int idCard, String name, String birthday, Wife wife) {
        this.idCard = idCard;
        this.name = name;
        this.birthday = birthday;
        this.wife = wife;
    }

    public int getIdCard(){
        return idCard;
    }
 

    public void setIdCard(int idCard){
        this.idCard = idCard;
    }


    public String getName(){
        return name;
    }
    public void setName(String name){
        this.name = name;
    }

    public String getBirthday() {
        return birthday;
    }

    public void setBirthday(String birthday) {
        this.birthday = birthday;
    }

    public Wife getWife() {
        return wife;
    }

    public void setWife(Wife wife) {
        this.wife = wife;
    }
}

class Wife{
    private int idCard;
    private String name;
    private String birthday;

    private Husband husband;

    public Wife(){}

    public Wife(int idCard, String name, String birthday, Husband husband) {
        this.idCard = idCard;
        this.name = name;
        this.birthday = birthday;
        this.husband = husband;
    }

    public int getIdCard(){
        return idCard;
    }
    public void setIdCard(int idCard){
        this.idCard = idCard;
    }


    public String getName(){
        return name;
    }
    public void setName(String name){
        this.name = name;
    }

    public String getBirthday() {
        return birthday;
    }

    public void setBirthday(String birthday) {
        this.birthday = birthday;
    }

    public Husband getHusband() {
        return husband;
    }

    public void setHusband(Husband husband) {
        this.husband = husband;
    }
}

執行結果：