How to learn java?

Java Netty practical course Java high performance distributed RPC tutorial course? Free download

Link:/s/1mpum62h4nvhnugman-r6ya

Extract code: kvvvJava is an object-oriented programming language, which not only absorbs the advantages of C++ language, but also abandons the concepts of multiple inheritance and pointers that are difficult to understand in C++, so the Java language has two characteristics: powerful function and simple use. As the representative of static object-oriented programming language, Java language perfectly realizes the object-oriented theory and allows programmers to carry out complex programming in an elegant way of thinking.

?