上海交通大学交大密西根 ·联合学院一 ■ 181 UM-SJTU Joint Institute University of Michigan Shanghal Jiao Tong University How it Work? We will trace printStr Output through the str "ab" a execution to see printStr just how it works. str "b" b printStr void printstr(string str) str I II ConsoleT console; if (Istr.empty ( console.printLine (str[0],endl); printstr(str.substr(1,str.length(); }；
How it Work? How it Work? • We will trace through the execution to see just how it works
8 Trace Through the Execution ■ printStr Output str "ab" if (Istr.empty () console.printLine (str[0],endl); printStr(str.substr(1,str.length ())
Trace Through the Execution Trace Through the Execution Output