基础语法 #

java基础语法参考此篇即可： bestJavaer/java-summary.md at master · crisxuan/bestJavaer

命令行输入输出：How to Take Input From User in Java? - GeeksforGeeks

包导入规则：Packages In Java - GeeksforGeeks

文件处理：Java.io.File Class in Java - GeeksforGeeks

序列化和反序列化：Serialization and Deserialization in Java with Example - GeeksforGeeks

socket网络编程：Socket Programming in Java - GeeksforGeeks

泛型：Generics in Java - GeeksforGeeks

Stream：Stream In Java - GeeksforGeeks

多线程编程：Java Threads - GeeksforGeeks

包管理 #

maven：Getting Started | Building Java Projects with Maven

数据库 #

JDBC： Introduction to JDBC (Java Database Connectivity) - GeeksforGeeks