Java:
Database: Myslq,oracle,sql server,db2,sybase
Oracle-related books: Oracle Learning Manuals
How data is saved: memory (the fastest non-recoverable access), hard disk/file (permanent save, not easy to share), network (shared), database (shared persistent Save access slowest Delete and change)
Javase:jdk
Variable data type (special data type: String custom class Array collection frame (List set Map)
I/O stream (read and write Data 6 common input and output objects) network programming (Socket Programming TCP protocol))
int a = 10;
FileInputStream fis = new FileInputStream ("XXX.txt");
FileOutputStream
Custom Types
public class xx{
}
XX is a custom type
Must read the book (The teacher stressed many times!!!) ): Java Core Technology Vol. 1 2 Java Programming ideas
Extension: Java Virtual machine Technology Java Development effective Java (Java development team)
Li Gang's Madness series (Javase) Basic tutorial
The way to Java development
Turing Tomorrow Technology orelly
Neusoft Teacher Lesson Notes 2014.11.14 Java Learning Guide