CloneNotSupportedException解决方法

报错的代码：

public class CloneTest {

    private Integer id;

    public CloneTest(Integer id) {
        this.id = id;
    }

    public Integer getId() {
        return id;
    }

    public void setId(Integer id) {
        this.id = id;
    }

    @Override
    public String toString() {
        return "CloneTest{" +
                "id=" + id +
                '}';
    }

    public static void main(String[] args) throws CloneNotSupportedException {

        CloneTest cloneTest = new CloneTest(1);
        CloneTest cloneTest1 = (CloneTest)cloneTest.clone();

        System.out.println(cloneTest);
        System.out.println(cloneTest1);

    }

}

原因是该类没有实现Cloneable接口，

修改成如下：

public class CloneTest implements Cloneable {

输出：

CloneTest{id=1}
CloneTest{id=1}