import java.sql.Connection;import java.sql.DriverManager;import java.sql.ResultSet;import java.sql.SQLException;import java.util.ArrayList;import java.util.Scanner; public class BankAccounts {public static void main(String[] args) {boolean loop = true;while(loop){System.out.println("------------------------------------------------");System.out.println("1.계좌 생성| 2. 계좌 조회 | 3. 입금 | 4.출금 | 5. 종료");..

import java.util.ArrayList;import java.util.Scanner; public class BankAccounts extends BankList {public static void main(String[] args) {boolean loop = true;while(loop){System.out.println("------------------------------------------------");System.out.println("1.계좌 생성| 2. 계좌 조회 | 3. 입금 | 4.출금 | 5. 종료");System.out.println("------------------------------------------------");System.out.println("선택 :..

import java.io.IOException; @WebServlet("/Fibonacci")public class Fibonacci extends HttpServlet {private static final long serialVersionUID = 1L;BigInteger[] arr = new BigInteger[100];public void init() throws ServletException {arr[0] = new BigInteger("1");arr[1] = new BigInteger("1");for (int i = 2; i < arr.length; i++) {arr[i] = arr[i-1].add(arr[i-2]);}}protected void doGet(HttpServletRequest ..

구구단

2^1 = 2^2 = 2^3 = 2^4 = 2^5 = Math.pow 대신 for문을 이용하여 결과 출력

2세제곱 = 3세제곱 = 4세제곱 = 5세제곱 = 6세제곱 = Math.pow를 이용하면 쉽게 2^3, 3^3... 을 구할 수 있다!