unreported exception java.lang.InstantiationException; must be caught

D:\JCreatorV3\MyProjects\DisplayAuthors.java:17: unreported exception java.lang.InstantiationException; must be caught or declared to be thrown
  Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver").newInstance();//加载驱动程序                                               
  这是为什么啊 ？   

------解决方法--------------------------------------------------------
 
  try{
  Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver").newInstance();
  }catch(Exception e){
  }