package util;import java.sql.*;import java.io.*;import java.util.*; public class DBUtil {private static String driver, url, user, pass;//๋ณดํต ์ด๋ฐ ์ ๋ณด๋ค์ ํ๋ฒ ์ฝ์ผ๋ฉด ์์ฃผ๋ณ๊ฒฝ๋์ง๋ ์๋๋ค.//์ด๋ด๊ฒฝ์ฐ ํ๋ฒ ์ฝ์ด์ ๊ณ์ ์ฌํจใ ใน์ฉ ๋ผํ ์ ์๊ฒ ๋ค.// ํ๋ฒ ์ฝ์ด์ ์ญ~ ์ด๋ฐ์์ ์ด ์๋ค๋ฉด// static ํค์๋๋ฅผ ๋ ์ฌ๋ฆฌ์.static {loadInfo();driverLoading();} private static void loadInfo() {// TODO Auto-generated method stubtry {Properties props;File file = new File(System.getP..
๋ฆฌํ์คํธ๋ฐ์ ํ๊ธ์ฒ๋ฆฌ String name = request.getParameter("name"); String newName = new String( name.getBytes("8859_1") , "euc-kr" ); out.println("๋น์ ์ ์ด๋ฆ์ : " + newName + " "); ์ด๊ฑฐ๋๋ request.setCharacterEncoding("euc-kr");
package test; //servlet 1 import 3๊ฐ import java.io.*; import javax.servlet.*; import javax.servlet.http.*; //servlet 2 ๋ฐ๋์ public ํด๋์ค๋ก ์์ฑ public class HelloWorld //servlet 3 HttpServlet์ ์์๋ฐ๊ธฐ extends HttpServlet { //servlet 4 ์ ์ก๋ฐฉ์์ ๋ฐ๋ผ doXXX() ๋ฉ์๋์์ฑ // get ๋ฐฉ์ -> doGet() // post๋ฐฉ์ -> doPost() // ์ ์ก๋ฐฉ์๊ณผ ์๊ด์๋ค๋ฉด -> service() //์๋์ doGet ๋ฉ์๋๋ ๋ฉ์๋๋ฅผ ์์ฑํ๋ ๊ฒ์ด ์๋ ์ค๋ฒ๋ผ์ด๋ฉ ใ ใ public void doGet(HttpServletRequest..
package study; import javax.swing.*; public class SwingTest { public static void main(String[] ar) { int answer = (int) (Math.random() * 10 ) + 1; int input =0 ; String temp = ""; int count = 0 ; int limitCnt = 5; do { count++; temp = JOptionPane.showInputDialog("1~10๊น์ง์ ์ซ์๋ฅผ ์ ๋ ฅํ์์ค ๊ธฐํ๋ 5" + " ๋๋ด๋ ค๋ฉด -1์ ์ ๋ ฅํ์ธ์."); if(temp == null || temp.equals("-1")) break; System.out.println("์ ๋ ฅ๊ฐ : " + temp); inpu..
package study; public class GuGu { public static void main(String[] ar) { int[][] gugu = { {2,3,4,5,6,7,8,9}, {1,2,3,4,5,6,7,8,9}, }; for(int i = 0; i < gugu[0].length ; i++) { for(int j = 0; j < gugu[1].length ; j++) { System.out.println( gugu[0][i] + " x " + gugu[1][j] + " = " + (gugu[0][i] * gugu[1][j]) ); } System.out.println(); } } }
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