what is differend between java and j2ee

I have finished my java course but they didnt talk about j2ee. I coudnt understand what is make differend between java and j2ee any one can explain me?

 

Java is a language. J2EE is a development/deployment environment for web-based enterprise applications.

 

Thank you. But I could not get any idea from this. Can you explain little more with a simple example. What is mean by "enterprise" here.

 

Enterprise as in corporate,real-world applications like logistics management, banking, etc.