深拷贝总结

DreamCats · DreamCats · commit 31ad98d4d476 · 2020-02-10T21:55:28.000+08:00
diff --git a/Basics/src/com/copy/Student.java b/Basics/src/com/copy/Student.java
@@ -50,5 +50,7 @@ protected Object clone() throws CloneNotSupportedException {
         // 深拷贝
         Student student = new Student(new Subject(subject.getName()), name);
         return student;
+        // 因为它是深拷贝，所以你需要创建拷贝类的一个对象。
+        // 因为在Student类中有对象引用，所以需要在Student类中实现Cloneable接口并且重写clone方法。
     }
 }

Original file line number	Diff line number	Diff line change
`@@ -50,5 +50,7 @@ protected Object clone() throws CloneNotSupportedException {`
`50`	`50`	`// 深拷贝`
`51`	`51`	`Student student = new Student(new Subject(subject.getName()), name);`
`52`	`52`	`return student;`
	`53`	`+ // 因为它是深拷贝，所以你需要创建拷贝类的一个对象。`
	`54`	`+ // 因为在Student类中有对象引用，所以需要在Student类中实现Cloneable接口并且重写clone方法。`
`53`	`55`	`}`
`54`	`56`	`}`