One of the Java Core Technology learning Notes Programming Overview

Java an overview of the core technology programming

I. Features of the Java language

Simple line: Learn from C + +, excluding the C + + infrequently used pointers, structures, etc., to increase garbage collection.

Object-oriented: different from C + + is single inheritance, but can inherit multiple interfaces. Fully object-oriented language;

Network skills: Socket,ftp,http,url programming is simple;

Robustness: Avoid incorrect use of pointers;

Security: Build anti-virus anti-tampering system;

Architecture neutrality: Byte code;

Portability:

Explanatory: can interpret any ported bytecode;

Performance:

Multithreading

Dynamic nature:

Ii. Internet and Java applets

Programs that run in Web pages become applets

Currently the front end uses JavaScript primarily

Iii. History of Java

Green Project Oak formerly known as applet for fame James Gosling

1996 Version 1.0 released

One of the Java Core Technology learning Notes Programming Overview