克隆对象

image.png

package HspLearningoop;

public class Demon07 {
public static void main(String[] args) {
Student s = new Student();
s.name = "tang";
s.age = 19;
//创建一个myTools对象
myTools myTools = new myTools();
Student s2 = myTools.copyStudent(s);

    //到此s s2是student两个独立的对象，属性相同
    System.out.println("s的属性age:"+s.age+"名字为:"+s.name);
    System.out.println("s2的属性age:"+s2.age+"名字为:"+s2.name);
    //可以通过输出对象的hashcode看看对象是否是一个
    System.out.println(s == s2);

}

}

class Student{
String name;
int age;
}

class myTools{
public Student copyStudent(Student s){
Student s2 = new Student();
s2.age = s.age;
s2.name = s.name;
return s2;
}
}