[問題] 為什麼函式可以傳出CLASS
String fun()
{
String str="abc";
return str;
}
main
{
String strM=fun();
}
請問上面的作法為何可行?
在fun()內的str不是區域變數嗎?
生命週期應該再函式結束就消失不是嗎?
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