1. At present, the mainstream products used by many enterprises are still java language, so you have a greater chance of finding a job. Compared with Java and Go, there are only some companies such as Byte, which is relatively narrow.

The ecology of Java is very good. Many dependent products are based on Java, which is relatively large, so you can't say that there is nothing.

3.Java can learn a lot. If he continues to deepen, he can improve himself.