Java interview frequently asked the classic interview questions, study or job search, you have to master

Java's current heat has declined, but there are still a lot of people who learn java. Java's post is also a lot of infiltration. So, those classic Java knowledge points, you can see the problem can say 123? Come and have a look.

The difference between 1.JDK and JRE

What is the difference between 2.final, finally, and finalize?

3. The difference between threads and processes

How does the HashMap in 4.Java work?

What is the purpose of garbage collection in 5.Java? When does garbage collection take place?

What are the two types of exceptions in 6.Java? What difference do they have? *

7. What does the database connection pool mean?

8. What is a cookie? What is the difference between a session and a cookie?

9.**** There are several different ways to create threads? Which one do you like better?

10. Talk about some of the available states of the thread, how much to say?
Specific text content readers to study it, here, with a picture to let you know the process. Hope to be of help to you.

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Java interview frequently asked the classic interview questions, study or job search, you have to master