Exception in thread "main" java.lang.NoClassDefFoundError: Could not initialize class itcast.JDBCUtils
try {
//创建properties集合
Properties pro=new Properties();
//获取src路径下的文件的方式--->ClassLoader 类加载器
ClassLoader classLoader= JDBCUtils.class.getClassLoader();
URL res = classLoader.getResource("jdbc.properties");
String path=res.getPath();
//加载集合
pro.load(new FileReader(path));
//获取数据,赋值
url = pro.getProperty("url");
user = pro.getProperty("user");
password = pro.getProperty("password");
driver = pro.getProperty("driver");
//注册驱动
Class.forName(driver);
} catch (IOException e) {
e.printStackTrace();
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
Exception e