作者在 2011-09-02 18:10:00 发布以下内容
class Car{
String color;
float length;
long id;
public Car(){
}
public Car(String color,float length,long id){
this.color= color;
this.color= color;
this.length =length;
this.id =id;
}
public String toString(){
reutrn color+length+id;
}
}