Since there are too many details, only some of the knowledge points are screenshots for a rough introduction, and each small node has more detailed content!
Sorted out a core knowledge of Java. Covers a large number of knowledge points such as JVM, locks, concurrency, Java reflection, Spring principles, microservices, Zookeeper, databases, and data structures.
If you need to get this [core knowledge points finishing] document, click here to get it for free!
If you need to get this [core knowledge points finishing] document, click here to get it for free!