App.java deleteBoard
package com.example;
import com.example.db.BoardDB;
import com.example.db.BoardDBImpl;
import com.example.vo.Board;
public class App {
public static void main(String[] args) {
BoardDB obj = new BoardDBImpl();
Board board = new Board();
board.setNo(2L);
int ret = obj.deleteBoard(board);
System.out.println(ret);
}
}