´ÙÀ̾î±×·¥À» ±×¸± ¶§
ÇϳªÀÇ À¯½ºÄÉÀ̽º°¡ ´Ù¼öÀÇ À¯½ºÄÉÀ̽ºÇÑÅ× extend ÇÒ ¼ö ÀÖ³ª¿ä?
´Ù¼öÀÇ À¯½ºÄÉÀ̽ºÇÑÅ× extend´Â ¹ÞÀ» ¼ö Àִ°ɷΠ¾Ë°í Àִµ¥ ±× ¹Ý´ë·Îµµ µÇ´ÂÁö
ã¾ÆºÁµµ ³ª¿ÀÁö°¡ ¾Ê³×¿ä¤Ð¤Ð
¾Ë·ÁÁÖ½Ã¸é °¨»çÇÏ°Ú½À´Ï´Ù (__)