쇼핑몰을 로그인하고 회원수정 / 상품등록 상품수정으로 나누어서 하게 됬다. package day9; import java.time.LocalDateTime; import java.time.format.DateTimeFormatter; public class Shopping { private static int number = 0; private final static DateTimeFormatter DTF = DateTimeFormatter.ofPattern("yyyy/mm/dd hh:mm:ss"); private int bno; private String title; private int cnt; private String postDate; private int cell; private String s..
package day9; import java.time.LocalDateTime; import java.time.format.DateTimeFormatter; public class Board { private static int number = 0; //final 값이 변하지 않는 상수값 (final , 대문자로 지정) 변경불가 private final static DateTimeFormatter DTF = DateTimeFormatter.ofPattern("yyyy년MM월dd일 hh:mm:ss"); //공유 ,고유값을 가지고 있음 private int bno; private String pw; private String title; private String writer; private int cnt..
package day9; public class Student { private static int num = 100; private String sno; private String name; private int kor; private int eng; private int mat; private int total; private double avg; private char grade; public Student() { this.sno = "S"+num++; } public String getSno() { return sno; } public void setSno(String sno) { this.sno = sno; } public String getName() { return name; } public..
package day9; import java.time.LocalDateTime; import java.time.format.DateTimeFormatter; import java.util.ArrayList; import java.util.List; public class Bank { private static int number = 1000; private final static DateTimeFormatter DTF = DateTimeFormatter.ofPattern("yy/MM/dd hh:mm:ss"); private String account; private String name; private long balance; private List breakdown = new ArrayList(); ..
Static 을 붙이게 되면 공유하는데이터다. package day9; import java.time.LocalDateTime; import java.time.format.DateTimeFormatter; public class Board { private static int number = 0; // static == 각각 공유하고 싶은 데이터 private final static DateTimeFormatter DTF = DateTimeFormatter.ofPattern("yyyy년mm월dd일 hh:mm:ss"); // final == 상수,변하지 않는 값, 대문자로 사용하는것이 관례 private int bno; private String title; private String writer; pri..
