Schatzi Java Online Manual & Tutorial & Lecture

 1 »ý¼ºÀÚ Áߺ¹ Á¤ÀÇ
  »ý¼ºÀÚ ÇÔ¼ö ¶ÇÇÑ Áߺ¹ÇÏ¿© Á¤ÀÇÇÒ ¼ö ÀÖ½À´Ï´Ù. »ý¼ºÀÚ ÇÔ¼ö¿¡ OverloadingÀÇ °³³äÀÌ ÇÔ²² Àû¿ëµÇ´Â °ÍÀÌÁÒ. »ý¼ºÀÚ ÇÔ¼ö¸¦ Áߺ¹Á¤ÀÇÇÔÀ¸·Î½á »ç¿ëÀÚ´Â ÇÊ¿äÇÑ »ý¼ºÀÚÇÔ¼ö¸¦ È£ÃâÇÒ ¼ö ÀÖ´Â ÆíÀǸ¦ Á¦°øÇØ ÁÖ´Â °ÍÀÔ´Ï´Ù. »ý¼ºÀÚ ÇÔ¼öÀÇ Áߺ¹Á¤ÀÇ´Â ´Ù¸¥ »ý¼ºÀÚ ÇÔ¼ö¸¦ ¸¸µé¶§¿Í µ¿ÀÏÇÏ°Ô ¸®ÅÏÇüÀÌ ¾ø°í Ŭ·¡½ºÀÇ À̸§°ú µ¿ÀÏÇÑ ¸Þ¼­µå·Î ÀÌ·ç¾îÁý´Ï´Ù. ÇÏÁö¸¸ OverloadingÀÇ °³³äÀÎ ¸Å°³º¯¼öÀÇ Çü°ú ¸Å°³º¯¼öÀÇ °¹¼ö Áß Çϳª´Â ´Þ¶ó¾ß ÇÕ´Ï´Ù. ´ÙÀ½Àº Áߺ¹»ý¼ºÀÚ ÇÔ¼öÀÇ ¿¹¸¦ º¸¿© ÁÖ°í ÀÖ½À´Ï´Ù.

 

 2 »ý¼ºÀÚ OverloadingÀÇ ¿¹
 

public class OverloadConstructor1
{
    private String name;      

    public OverloadConstructor1()
    {
         System.out.println("µðÆúÆ® »ý¼ºÀÚ"
);
    }
    public
 OverloadConstructor1(String name)
    {
        this
.name = name;
        System.out.println("¸Å°³º¯¼ö ÀÖ´Â »ý¼ºÀÚ"
);
    }
    public static void
main(String[] args)
    {
        OverloadConstructor1 oc1 = new
OverloadConstructor1();
        OverloadConstructor1 oc2 = new OverloadConstructor1(
"È«±æµ¿");
    }

}
 °á°úÃâ·Â µðÆúÆ® »ý¼ºÀÚ
¸Å°³º¯¼ö ÀÖ´Â »ý¼ºÀÚ

 

 3 »ý¼ºÀÚ Áߺ¹ ¼³¸í
 

À§ÀÇ ¿¹Á¦¿¡¼­ »ý¼ºÀÚ´Â 2°³ Á¸ÀçÇÑ´Ù. Çϳª´Â µðÆúÆ® »ý¼ºÀÚ¿Í ¸Å°³º¯¼ö°¡ ÀÖ´Â »ý¼ºÀÚÀÌ¸ç ´ÙÀ½ÀÌ ±×°ÍÀÌ´Ù.

public OverloadConstructor1()

public OverloadConstructor1(String name)

»ý¼ºÀÚ°¡ È£ÃâµÇ¾úÀ» ¶§ ¸Å°³º¯¼öÀÇ °¹¼ö¿Í ÇüÀ¸·Î ¾î¶°ÇÑ »ý¼ºÀÚ ÇÔ¼ö¸¦ È£ÃâÇÒÁö¸¦ °áÁ¤ÇÏ¸ç »ý¼ºÀÚ ÀÚü¸¸À¸·Î´Â ¸¹Àº ±â´ÉµéÀÌ Á¦ÇѵǾî ÀÖ´Ù.


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