20220214 º¹½À


Çâ»óµÈ for¹®À» »ç¿ëÇؼ­ ·Î±×ÀΠâ ¸¸µé±â!!!

String[][] member = new String[][]{{"admin","123456","1"},{"test","123456","0"}};

Çâ»óµÈ for ¹® p.166
for(String[] mem : member){
   if (id.equals(mem[0]) && passwd.equals(mem[1])){
      System.out.println("·Î±×ÀÎ ¼º°ø");
   }else{
         System.out.println("¾ÆÀ̵ð ¶Ç´Â ºñ¹Ð¹øÈ£¸¦ È®ÀÎÇØÁÖ¼¼¿ä");
            }


class T0214_37//
{

    static void pwEnc()
    {
        //ºñ¹Ð¹øÈ£¸¦ ¾Ïȣȭ
    }
    public static void main(String[] args)
    {
        /* µ¥ÀÌÅÍ °ü¸® */
        //º¯¼ö > ¹è¿­ > ÆÄÀÏ > µ¥ÀÌÅͺ£À̽º
        String[][] member = new String[][]{{"admin","123456","1"},{"test","123456","0"}};

        /* ·Î±×ÀÎâ */
        String id="admin";
        String passwd="1234567";
         /* ·Î±×ÀÎó¸® */


        /* °Ô½ÃÆÇ */
        /* ¿¹¾à½Ã½ºÅÛ */
        /* ·¹°í º¹¿ø ÀÛ¾÷ */
        //1788901
        /* ¾ÏÈ£´Â ¾Ïȣȭ´Ù -> ¾ÏÈ£¸¦ ¸ð¸£¸é °ü¸®ÀÚµµ ¸ð¸£±â ¶§¹®¿¡ º¯°æÇØ¾ß ÇÑ´Ù. */

        System.out.println("Á¶°Ç¹®");
         //Çâ»óµÈ for¹® p.166
        for(String[] mem : member){
            if (id.equals(mem[0]) && passwd.equals(mem[1])){
                System.out.println("·Î±×ÀÎ ¼º°ø");
            }else{
                    System.out.println("¾ÆÀ̵ð ¶Ç´Â ºñ¹Ð¹øÈ£¸¦ È®ÀÎÇØÁÖ¼¼¿ä");
            }
        }

    }
}


IT ±âº» ±³À°
p946
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file transfer protocol

<IP¿Í µµ¸ÞÀο¡ ´ëÇÑ °³³ä>
µµ¸ÞÀÎ : jslweb.izerone.co.kr
IP : 125.242.95.11 -> 200.200.200.2

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IP : 125.242.95.11
Subnet Mask : 255.0.0.0
Default Gateway
DNS Server

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IP : 100.100.100.1 / 200.200.200.1 / 300.300.300.1
Subnet Mask : 255.0.0.0 / 255.255.255.0 / invalid
* ÃÖ¼Ò°ª(0)~ÃÖ´ë°ª(255) ÃÑ256°³
-256°³ Áß¿¡ ¾µ ¼ö ÀÖ´Â °ÍÀÌ ÀÖ°í, ¾ø´Â °ÍÀÌ ÀÖ´Ù.
-ipconfig ³» ÁÖ¼Ò È®ÀÎ
-nslookup jslweb.izerone.co.kr ÀÇ ÁÖ¼Ò Ã£±â
-ping ÄÄÇ»ÅÍ°¡ »ì¾Æ ÀÖ´ÂÁö Á×¾îÀÖ´ÂÁö »ìÆ캸´Â ¸í·É¾î
Default Gateway
DNS Server

µµ¸ÞÀÎ ¼­¹öÀÇ Á߿伺
¼­¹öÀÇ ¼­ºñ½º
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ÇÁ·ÎÅäÄÝ(tcp, udp)