Please everyone a great god help and see what went wrong, always can't find the mistake
The console Error prompt: the Exception in the thread "is the main" Java. Lang. Error: Unresolved compilation problem:

The at util. ConnectionFactory. GetInstance (ConnectionFactory. Java: 33)
The at test. ConnectionFactoryText. Main (ConnectionFactoryText. Java: 7)

CodePudding user response:

Copy the code of others directly? If not check whether the JDK

CodePudding user response:

reference 1st floor pinoco response:

directly copy the code to others? If not check whether JDK corresponding

themselves