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jdk.rar 161m

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Download separately , to configure , The three steps of validation explain how to JDK Environment variable configuration .
Correct

This video is interpretive , So I hope you have read the content of this knowledge point , And after writing the corresponding code , Watch with questions , Only in this way can we gain more . It is not recommended to watch the video at the beginning



5 branch 40 second
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Step 1 : First, look at the effect after successful configuration   
Step 2 : download , And unzip it to E:\JDK   
Step 3 : Environment variable configuration   
Step 4 : Win10 The environment variable Path Configuration of   
Step 5 : Verify that the configuration is successful   
Step 6 : practice - Environment variable configuration   
Step 7 : answer - Environment variable configuration   

Step 1 :

First, look at the effect after successful configuration

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Point WIN key -> function ( Or use win+r)
Enter cmd Command
Enter java -version notes : -version It's lowercase , Cannot use uppercase ,java There is a space after

After successful configuration , The version information will appear java version "1.8.0_65"

notes : This is the effect after configuration , You can't see this effect until the configuration is completed
 First, look at the effect after successful configuration
Step 2 :

download , And unzip it to E:\JDK

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First download the... In the upper right corner jdk.rar, Then unzip .
The correct directory is E:\JDK
Do not copy to e:\jdk\jdk This directory went to
Pay attention to the directory structure
 download , And unzip it to E:\JDK
Step 3 :

Environment variable configuration

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Right click my computer -> attribute -> Advanced -> Environment variables -> System variables
be careful : It's the following System variables , Not the user variable above
New variable name JAVA_HOME, Variable value E:\JDK
Modify variables Path , Add... At the beginning %JAVA_HOME%\bin;
be careful :"Path" yes Initial capital , Don't change to "PATH" bin There must be Semicolon ;
be careful : In the user variable above the system variable , Don't have these two , If so, it should be removed , To avoid interference .
be careful :Win10 Next PATH The configuration is different , Follow the next steps to configure : Win10 The environment variable Path Configuration of
 Environment variable configuration
Step 4 :

Win10 The environment variable Path Configuration of

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As shown in the figure , Add a new one , Just put it on the top
Win10  The environment variable Path Configuration of
Step 5 :

Verify that the configuration is successful

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Click OK to close the configuration page , This step must be done , Otherwise, the configuration just now will not take effect

Point WIN key -> function ( Or use win+r)
Enter cmd Command
Enter java -version
If version information appears , Indicates that the configuration was successful
If it fails , Adjust the previous configuration , Then you have to Restart cmd Command , Not in the original cmd Enter java -version
 Verify that the configuration is successful
Step 6 :

practice - Environment variable configuration

edit top fracture   Wrong posture , get half the results with double the effort ! Click to see the correct posture for the exercise
hypothesis JDK The directory of is : C:\Program Files\Java\jdk1.8.0_65, How to adjust the configuration ?
Step 7 :

answer - Environment variable configuration

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Before looking at the answers , Try to finish it yourself first , See the answer when you encounter a problem , The harvest will be more
Before looking at the answers , Try to finish it yourself first , See the answer when you encounter a problem , The harvest will be more
Before looking at the answers , Try to finish it yourself first , See the answer when you encounter a problem , The harvest will be more
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This video is interpretive , So I hope you have read the content of this answer , Watch with questions , Only in this way can we gain more . It is not recommended to watch the video at the beginning

2 branch 54 second This video uses html5 Play mode , If it cannot be played normally , Please upgrade your browser to the latest version , Recommend Firefox ,chrome,360 browser . If thunderbolt is installed , Play the video and show the direct download status , Please adjust Thunderbolt system settings - Basic settings - Start - Monitor all browsers ( Remove this option ). chrome of Video download Plug-in will affect playback , as IDM etc. , Please close or switch other browsers


Just modify JAVA_HOME The configuration of , Nothing else needs to change
PATH There is no need to change , Because it refers to JAVA_HOME The path to
 answer - Environment variable configuration


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Q & A area    
2021-10-09 I downloaded it JDK17, The computer is new ,win10, No... Was found while configuring environment variables Path variable , And it was supposed to be Path In variables Temp Variables and so on are directly in the environment variable list , What to do in this situation
New year's Eve

about JAVA Basics -HelloWorld-JDK Your questions
New computer




1 One answer

cFour
Answer time :2021-11-02
It should be mapped directly , No graph , Cannot effectively view which point



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2021-08-30 java version Version number problem
Journey0214

about JAVA Basics -HelloWorld-JDK Your questions
My computer java version The version is 1.8.0_221 Does it matter ?




3 One answer

qwlwhygr
Answer time :2021-10-28
It doesn't affect ,jdk Different versions correspond to different

The hug of love
Answer time :2021-09-28
Different versions have no effect , For example, I am jdk11 java version "11.0.9" 2020-10-20 LTS Java(TM) SE Runtime Environment 18.9 (build 11.0.9+7-LTS)

Male students
Answer time :2021-09-06
 It doesn't affect 



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answer Or code please Fill in at least one , If you have a problem , Please ask again , Otherwise, the webmaster may not see




2021-08-21 MAC How to configure it ?
2021-07-31 win10 How to configure
2021-07-31 It still can't be configured according to the video and steps


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