项目经验类：

/**
 * 项目经验类
 */
public class ProjectExperience implements Cloneable {
    //    项目名称及项目语言
    private String name;
    private String lanuage;

    public ProjectExperience() {
    }

    public ProjectExperience(String name, String lanuage) {
        this.name = name;
        this.lanuage = lanuage;
    }

    @Override
    protected Object clone() throws CloneNotSupportedException {
        return super.clone();
    }

    @Override
    public String toString() {
        return "项目经验:{" +
                "name='" + name + '\'' +
                ", lanuage='" + lanuage + '\'' +
                '}';
    }

    public String getName() {
        return name;
    }

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

    public String getLanuage() {
        return lanuage;
    }

    public void setLanuage(String lanuage) {
        this.lanuage = lanuage;
    }
}

简历类：

/**
 * 简历
 */
public class Resume implements Cloneable {
    private String name;
    private String sex;
    private String age;
    private String timeArea;
    private String company;

    //    项目经验
    private ProjectExperience projectExperience;

    public Resume() {
    }

    public Resume(String name, String sex, String age, String timeArea, String company, ProjectExperience projectExperience) {
        this.name = name;
        this.sex = sex;
        this.age = age;
        this.timeArea = timeArea;
        this.company = company;
        this.projectExperience = projectExperience;
    }

    @Override
    protected Object clone() throws CloneNotSupportedException {
        Resume obj = new Resume();
        obj.name = this.name;
        obj.age = this.age;
        obj.sex = this.sex;
        obj.projectExperience = (ProjectExperience) this.projectExperience.clone();
        return obj;
    }

    /**
     * 设置个人信息
     *
     * @param sex
     * @param age
     */
    public void setPersonalInfo(String sex, String age) {
        this.sex = sex;
        this.age = age;
    }

    /**
     * 设置工作经历
     *
     * @param timeArea
     * @param company
     */
    public void setWorkExperience(String timeArea, String company) {
        this.timeArea = timeArea;
        this.company = company;
    }

    /**
     * 设置项目经历
     *
     * @param name
     * @param lanuage
     */
    public void setProjectExperience(String name, String lanuage) {
        projectExperience.setName(name);
        projectExperience.setLanuage(lanuage);
    }

    @Override
    public String toString() {
        return "基本信息:{" +
                "name='" + name + '\'' +
                ", sex='" + sex + '\'' +
                ", age='" + age + '\'' +
                ", timeArea='" + timeArea + '\'' +
                ", company='" + company + '\'' +
                '}'
                + "\n" + projectExperience.toString();
    }

    public String getName() {
        return name;
    }

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

    public String getSex() {
        return sex;
    }

    public void setSex(String sex) {
        this.sex = sex;
    }

    public String getAge() {
        return age;
    }

    public void setAge(String age) {
        this.age = age;
    }

    public String getTimeArea() {
        return timeArea;
    }

    public void setTimeArea(String timeArea) {
        this.timeArea = timeArea;
    }

    public String getCompany() {
        return company;
    }

    public void setCompany(String company) {
        this.company = company;
    }
}

Main：

public class Main {
    public static void main(String[] args) {
        ProjectExperience projectExperience = new ProjectExperience("Android-QQ", "Java");
        Resume a = new Resume("大鸟", "男", "29", "1998-2000", "Tecent", projectExperience);
        System.out.println(a.toString());

        try {
            Resume b = (Resume) a.clone();
            b.setWorkExperience("2000-2008", "BaiDu");
            b.setProjectExperience("Deepfakes-换脸", "C++ & Python");
            System.out.println(b.toString());
            System.out.println(a.toString());
        } catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }


    }
}