共计 276 个字符，预计需要花费 1 分钟才能阅读完成。
package car;
public class Car {
String color;
int number;
void run(){System.out.println(color+"::"+number);
}}
class carDemo
{
public static void main(String[] args)
{Car c = new Car();
show(c);
}
/*
* 封装性能
* Car c = new Car();
* Car c1 = new Car();
* */
public static void show(Car cc)
{
cc.color = "red";
cc.number = 4;
cc.run();}}
正文完
