Hanshunping the No. 01 step of the Java Content Introduction. Project presentation. Principle Analysis

1.1 Course Introduction

1) Java Object-oriented programming

2) Java graphical interface

3) Java database programming

4) Java File IO stream

5) Java Network programming

6) Java Multithreading

1.2 Java language Features

1) The Java language is simple;

2) The Java language is object-oriented;

3) The Java language is a cross-platform (operating system: MAC OS X, Windows, Linux) (i.e. once compiled, running everywhere);

4) The Java language is high-performance.

What is 1.3 jdk?

1) JDK Full name Java Development Kit, Chinese Java Development Kit

2) JDK includes:

①JRE (Java Runtime Environment, Chinese Java Operating environment);

②java tool: Java compiler Javac.exe,java explanation executor Java.exe;

③java base of the class library: More than 3,600, commonly used more than 150.

1.4 Compiling and Java program running relationship

Hanshunping the No. 01 step of the Java Content Introduction. Project presentation. Principle Analysis