• I can't get javac working properly on windows 10 64x. Javac: file not found: HelloWorld.java. That is the file name with correct capitalization and it is saved in.
• Can someone help and advise how to setup the java/bin path in windows 10. I am using jdk1.865. Setting javac path in windows10 (Beginning Java forum at Coderanch).

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I am trying to compile a java program I found on the internet and it says that I must check if javac is installed. I installed the JDK a long time ago so it should be working but I get command not found error:

how can this be resolved?

Gaff

3 Answers

It looks like the javac executable cannot be found because you did not set your PATH environment variable to include it. This is a simple fix.

Since you are clearly using Windows XP..

• Right click 'My Computer' and select 'Properties'. (or Win + Pause)
• Go to the 'Advanced' Tab
• Click the 'Environment Variables' button near the bottom of the dialog
• Under 'User variables' for your account, there should be a PATH variable, if there is not click 'New' and create it with the variable name PATH and the value as the path to your jdk's bin directory (something like C:Program FilesJavajdk1.6.0bin, it is different between installations so you will have to check C:Program FilesJava for a jdk version). If it already exists but is empty, change it to the path to your jdk's bin directory. If it already exists but is NOT empty, append a semicolon (;) along with the path to your jdk's bin directory.

The value should look like this:

If there were previous values, it should be separated with a semicolon like so:

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GaffJohn TJohn T

Javac Command Not Found Windows

First check if you still have the java compiler on your computer.

Open a command prompt and type

If it didn't find any files, install the JDK to compile your java program.

Javac On Windows

You need to edit the environment variables, as mentioned by John T. The built in windows environment variable editor is kind of a pain, check out Rapid Environment Editor.

Gaff

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