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1.javaÀïµÄclone·ÖΪ£º
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1.ÔÚÅÉÉúÀàÖи²¸Ç»ùÀàµÄclone()·½·¨£¬²¢ÉùÃ÷Ϊpublic¡¾ObjectÀàÖеÄclone()·½·¨ÎªprotectedµÄ¡¿¡£
2.ÔÚÅÉÉúÀàµÄclone()·½·¨ÖУ¬µ÷ÓÃsuper.clone()¡£
3.ÔÚÅÉÉúÀàÖÐʵÏÖCloneable½Ó¿Ú¡£
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package com.test;
//dz¸´ÖÆ£¨Ç³¿Ë¡£©: dz¸´Öƽö½ö¸´ÖÆËù¿¼ÂǵĶÔÏ󣬶ø²»¸´ÖÆËüËùÒýÓõĶÔÏó¡£
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//
//JavaÖжÔÏóµÄ¿Ë¡,ΪÁË»ñÈ¡¶ÔÏóµÄÒ»·Ý¿½±´£¬ÎÒÃÇ¿ÉÒÔÀûÓÃObjectÀàµÄclone()·½·¨¡£±ØÐëÒª×ñÑÏÂÃæÈýµã
//1.ÔÚÅÉÉúÀàÖи²¸Ç»ùÀàµÄclone()·½·¨£¬²¢ÉùÃ÷Ϊpublic¡¾ObjectÀàÖеÄclone()·½·¨ÎªprotectedµÄ¡¿¡£
//2.ÔÚÅÉÉúÀàµÄclone()·½·¨ÖУ¬µ÷ÓÃsuper.clone()¡£
//3.ÔÚÅÉÉúÀàÖÐʵÏÖCloneable½Ó¿Ú¡£
//[color=red]ObjectÀàÀïµÄclone·½·¨ÊÇdz¸´ÖÆ£¨Ç³¿Ë¡£©[/color]public class CloneTest {
public static void main(String[] args) throws Exception{
//teacher¶ÔÏ󽫱»clone³öÀ´µÄStudent¶ÔÏó¹²Ïí.
Teacher teacher = new Teacher();
teacher.setAge(40);
teacher.setName("Teacher zhang");
Student student1 = new Student();
student1.setAge(20);
student1.setName("zhangsan");
student1.setTeacher(teacher);
//¸´ÖƳöÀ´Ò»¸ö¶ÔÏóstudent2
Student student2 = (Student)student1.clone();
System.out.println(student2.getAge());
System.out.println(student2.getName());
System.out.println("~~~~~~~~~~~~~~~~~~~~~~");
System.out.println(student1.getTeacher().getAge());
System.out.println(student1.getTeacher().getName());
//ÐÞ¸Ästudent2µÄÒýÓöÔÏó
student2.getTeacher().setAge(50);
student2.getTeacher().setName("Teacher Li");
System.out.println("~~~~~~~~~~~~~~~~~~~~~~");
System.out.println(student1.getTeacher().getAge());
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