Java programming with Notepad and cmd (compiled from install ide---run)

Introduction to Java

Maximum features---cross-platform

Installation of the Java compilation environment http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html

Select the JDK download installation for Windows x64

Understanding the directory structure of the JDK

Java_home:c:\program files\java\jdk1.8.0_102

JRE---java Virtual machine

Bin---command management tools

Src.zip Compressed Package---The source code provided by the Java Development Kit

Compile----A. Enter the directory where the Java files are located

Drive letter:

CD Entry Directory

CD: Up-level directory

cd\ root directory

Enter the directory where the Java files are located

Compiling: Using the Javac command

Setting environment variables (variables used in the operating system)

Set Path (Java_home\bin)

Any. EXE can be started via set PATH environment variable (e.g. QQ startup)

Compile the Java file directory E:\work\java 1.java in Lesson;

1.java

Class A
{
public static void Main (string[] args)
{

}
}

The A.class file appears after compilation, that is, the compilation is complete

Run:

No results due to Java program not writing content

PATH environment variable always has effect to set in system

My Computer--Properties--Advanced system settings--environment variables--NEW

Javac has been effective.

Development tools:

ecilse/netbeans/intellij/Notepad----"Editable notepad editplus (download link http://pan.baidu.com/s/1o80a5b8

User:gnu
Serial:918a8-20dd8-44za1-b0w4a-13t66

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Java programming with Notepad and cmd (compiled from install ide---run)