第七章类与对象 float stack: pop(void if(top==0 cout<<“ An empty stack”<<endl return o p return data[]i void main(t stack s1,s2: for(int i=1; i<=maxsize; i++) s1. push (2*i; or(i=1; i<=maxsize; i++) cout<<s1popO<<““F第七章 类与对象 float stack::pop(void) { if(top==0){ cout<<“An empty stack!”<<endl; return 0; } top--; return data[top]; } void main(){ stack s1,s2; for(int i=1;i<=maxsize;i++) s1.push(2*i); for(i=1;i<=maxsize;i++) cout<<s1.pop()<<“ “;