How do I set or change the PATH system variable?
When you compile and execute a java program then this type of error can come on your command prompt.so now we will fix this problem.
'javac' is not recognized as an internal or external command,operable program or batch file.
1.open control panel
- click on system and security
- Next click on system
- Next Click on Advanced system settings
- Next Click on Environment variables
- Next under system variables search for path
- if path variable don't exist then click on new and follow the step-3 at last.
- Next after finding the path variable click on edit and delete everything from variable values
2. Go to My computer and open c drive
- Next click on program files
- Next search for java file and then open java file
- Next open jdk folder
- Next open bin folder
- Next click on upper rectangular box and copy address
- Next paste the address in variable values box
-------------------Done-------------------
3.if path variable don't exist then
first click on new then enter
Variable name: Path
Variable value: paste the address of the java file from c-drive .
Follow the Step - 2 for Address
after paste address , click on OK ....OK......OK
------------------DONE----------------
Now compile your program and execute
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