exammanger.java

学生管理系统。使用java编程

package com.hb.exammanager;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.Statement;

import com.hb.jdbcconnct.JdbcConnct;



public class ExamManger {
	public static void main(String [] args){
	try
	{
	JdbcConnct jdbcconn = new JdbcConnct();
	Connection conn=jdbcconn.fetchConnection();
	Statement stmt = conn.createStatement();
	String sql = "select * from \"exam\" ";
	ResultSet rs = stmt.executeQuery(sql);
	while(rs.next())
	{
		int examId = rs.getInt("examId");
		System.out.println(examId);
	}
	}catch(Exception e)
	{
		e.printStackTrace();
	}
	}
	
}