Index directory is not created when i run the command ""

Hello >From the page: https://lucene.apache.org/core/2_9_4/demo.html#:~:text=First%2C%20you%20should%20download%20the,when%20you%20extracted%20the%20archive. I am trying to run the following command "java org.apache.lucene.demo.IndexFiles {full-path-to-lucene}/src": *java -cp /home/kali/lucene/l

Index directory is not created when I run the command ...

Hello >From the page: https://lucene.apache.org/core/2_9_4/demo.html#:~:text=First%2C%20you%20should%20download%20the,when%20you%20extracted%20the%20archive. I am trying to run the following command "java org.apache.lucene.demo.IndexFiles {full-path-to-lucene}/src": *java -cp /home/kali/lucene/l