如何在类中实现克隆和复制方法？

public class MyClass implements Cloneable {
    private int value;
    private MyObject obj;

    public MyClass(int value, MyObject obj) {
        this.value = value;
        this.obj = obj;
    }

    @Override
    protected Object clone() throws CloneNotSupportedException {
        MyClass cloned = (MyClass) super.clone();
        cloned.obj = (MyObject) obj.clone(); // 深拷贝
        return cloned;
    }
}

public class MyObject implements Cloneable {
    private String name;

    public MyObject(String name) {
        this.name = name;
    }

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

MyClass obj1 = new MyClass(10, new MyObject("example"));
try {
    MyClass obj2 = (MyClass) obj1.clone();
    // obj2是obj1的副本
} catch (CloneNotSupportedException e) {
    e.printStackTrace();
}