public class jdbcDemo01 {
    public static void main(String[] args) throws Exception {
        Statement state = null;
        Connection conn = null;
        try {
            //2.注冊(cè)驅(qū)動(dòng)
            Class.forName("com.mysql.cj.jdbc.Driver");
            
            //3.獲取數(shù)據(jù)庫(kù)連接對(duì)象
            conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/zqq?serverTimezone=GMT%2B8", "root", "root");
            
            //4.定義sql語(yǔ)句
            String sql = "update integral set stu_name='老黃666' where id = '1'";
            
            //5.獲取執(zhí)行sql的對(duì)象 Statement
            state = conn.createStatement();
            
            //執(zhí)行sql
            int count = state.executeUpdate(sql);
            
            //7.處理結(jié)果
            System.out.println(count);
        } catch (SQLException e) {
            e.printStackTrace();
        }finally {

            try {
                if (state!=null){
                    //8.釋放資源
                    state.close();
                }
            } catch (SQLException throwables) {
                throwables.printStackTrace();
            }

            try {
                if (conn!=null){
                    conn.close();
                }
            } catch (SQLException throwables) {
                throwables.printStackTrace();
            }
        }
    }
}