提示java.lang.NullPointerException请问咋解决呀，求解

Question

代码如下
package com.jdb;
import java.sql.Connection;

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

import org.junit.Test;
import mysqld.JDBCUtils;

public class JDBCUtilsTest {

//测试JDBCUtil类

    @Test
    public void jdbcConnection() throws Exception {
    
         Connection conn=JDBCUtils.getConnection();
        Statement statement =  conn.createStatement();    
        ResultSet result=statement.executeQuery("select * form bank"); //拿到结果集
        while(result.next()) {
            System.out.println(result.getInt("id"));
        }
        }
}

Answer 1

在这里加个return