呵呵
public class PenShop{
Pen pencil;
Pen ballPen;
Pen pen;
Pen otherPen;
int[] kind={0,0,0,0};//种类信息
soldOut(int i,int number){
kind[i]-=number;
}
getIn(int i,int number){
kind[i]+=number;
}
count(){
for(int i=0;kind.length;i++)
System.out.println(kind[i]);
}
}
public class PenShop{
Pen pencil;
Pen ballPen;
Pen pen;
Pen otherPen;
int[] kind={0,0,0,0};//种类信息
soldOut(int i,int number){
kind[i]-=number;
}
getIn(int i,int number){
kind[i]+=number;
}
count(){
for(int i=0;kind.length;i++)
System.out.println(kind[i]);
}
}
public class Pen{
public void Pen{
};
}
在线等候