object copying
Copy constructor
Operator overloading
Reference counting
Copy-on-write
Clone (Java method)
/suto3/google.iconobject copying
/suto3/Google画像検索.iconobject copying
/suto3/Google定義検索.icon object copying
/suto3/wikipedia.iconobject copying
/suto3/weblio.icon object copying
/suto3/kotobank.icon object copying
/suto3/jisho.icon object copying