A master answer: zero base of new, have downloaded the JDK but in CMD to open it-CodePudding

(se9.0.4)

CodePudding user response:

Environment variable configuration, but after the restart loading special slow mandatory shutdown, boot display later dropped

CodePudding user response:

You can cut the screenshots look at the environment variables

CodePudding user response:

refer to the second floor in response:

you cutting the environment variable screenshots again see

Such as don't send pictures

CodePudding user response:

This kind of problem, locking in environment configuration, please according to the following three configure your environment variable

 
JAVA_HOME: C: \ Program Files \ Java \ jdk1.8.0 _181 (is this your JDK installation path)

 
The CLASSPATH:; % JAVA_HOME % \ lib

 
PATH: % JAVA_HOME % \ bin

Remind, if the environment variable configuration is not wrong, you don't need to specifically into the JDK directory, run: javac

CodePudding user response:

Zero basis to learn C/C + +, and Python, so much good, Java saturation is high, the syntax rigid is not flexible, and blocked some low-level details, after is not conducive to the development of, in fact, the difficulty of any language are the same,

CodePudding user response:

Environment variables

CodePudding user response:

Environment didn't set well

CodePudding user response:

https://blog.grstudy.com/java/note/6 to set environment variables

CodePudding user response:

reference 5 floor Hello_MyDream reply:

zero basis to learn C/C + +, Python, then so much good, Java saturation is high, the syntax rigid is not flexible, and blocked some low-level details, after is not conducive to the development of, in fact, the difficulty of any language are similar,

the difficulty of any language are the same??????? Assembly know about the

CodePudding user response:

references to the tenth floor YangjulongTrue response:

Quote: refer to the fifth floor Hello_MyDream reply:

Zero basis to learn C/C + +, and Python, so much good, Java saturation is high, the syntax rigid is not flexible, and blocked some low-level details, after is not conducive to the development of, in fact, the difficulty of any language are similar,

the difficulty of any language are the same??????? Assembly know about the

Assembly also don't be so hard to find, actually, and instruction more needs to be more white paper, see the habit

CodePudding user response:

references to the tenth floor YangjulongTrue response:

Quote: refer to the fifth floor Hello_MyDream reply:

Zero basis to learn C/C + +, and Python, so much good, Java saturation is high, the syntax rigid is not flexible, and blocked some low-level details, after is not conducive to the development of, in fact, the difficulty of any language are similar,

the difficulty of any language are the same??????? Assembly know about the

Assembly also don't be so hard to find, actually, and instruction more needs to be more white paper, see the habit

CodePudding user response:

refer to 12 floor Hello_MyDream reply:

Quote: reference to the tenth floor YangjulongTrue response:

Quote: refer to fifth floor Hello_MyDream response:

Zero basis to learn C/C + +, and Python, so much good, Java saturation is high, the syntax rigid is not flexible, and blocked some low-level details, after is not conducive to the development of, in fact, the difficulty of any language are similar,

the difficulty of any language are the same??????? Assembly know about the

Assembly also don't be so hard to find, actually, and instruction more needs to be more white paper, watching habit good

Ok bosses automatically ignore me, please,,,

CodePudding user response:

Windows 7 environment configuration to a wave of
JAVA_HOME
C: \ Program Files \ Java \ jdk1.8.0 _211

The Path
D: \ devtool \ xshell \; C: \ Program Files \ VanDyke Software \ Clients \; D: \ devtool \ XFTP \; C: \ Program Files \ (x86) Common Files \ Oracle \ Java \ javapath; % SystemRoot % \ system32; % SystemRoot %; % SystemRoot % \ System32 \ Wbem; % SYSTEMROOT % \ System32 \ WindowsPowerShell \ v1.0 \; D: \ devtool \ tortoise \ bin; C: \ Program Files \ Git \ CMD. M2_HOME % % \ bin; %JAVA_HOME%\bin; D: \ devtool \ vue \ node_global

CodePudding user response:

https://www.runoob.com/java/java-environment-setup.html
Look here are explained in detail, you this configuration is not configured,