Collectives™ on Stack Overflow

Find centralized, trusted content and collaborate around the technologies you use most.

Teams

Q&A for work

Connect and share knowledge within a single location that is structured and easy to search.

`import java.io.File; 
import net.sourceforge.tess4j.Tesseract; 
import net.sourceforge.tess4j.TesseractException; 
class Test { 
    public static void main(String[] args) 
        Tesseract tesseract = new Tesseract(); 
        try { 
            String text = tesseract.doOCR(new File("captcha.jpg")); 
            System.out.print(text); 
        catch (TesseractException e) { 
            e.printStackTrace(); 
I am getting these error messages
Exception in thread "main" java.lang.NoClassDefFoundError: com/sun/jna/Pointer
        at Test.main(Detection.java:9)
Caused by: java.lang.ClassNotFoundException: com.sun.jna.Pointer
        at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:581)
        at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
        at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
        ... 1 more
My folder looks like this:
Main folder:
Detection.java
lib -> Here I have the "tess4j-3.4.8.jar" file I got after downloading the tess4j and going into the dist folder
.captcha.jpg
I am not able to solve this issue. Please help.
I am using visual studio code as my IDE.
The solution above of YogendraR worked.
You have to add the jar files in the lib folder of your tess4J folder in your project struture Project structure => Module => Dependencies.
The jars files to add
Add them here
        
Thanks for contributing an answer to Stack Overflow!
Please be sure to answer the question. Provide details and share your research!
But avoid …
Asking for help, clarification, or responding to other answers.
Making statements based on opinion; back them up with references or personal experience.
To learn more, see our tips on writing great answers.