update

Author: ashmeet07

core-java/java-basics/index.md

@@ -145,7 +145,7 @@ It is intermediate code generated by JVM and it is platform independent.
 ## 🔹**JDK Architecture**
 
  <div align="center" width=700 height=200>
-<img src="https://github.com/user-attachments/assets/f78be70a-0aff-4a31-80c7-f4a386388e49" class="jdk-arch" alt="Architecture">
+<img src="https://github.com/user-attachments/assets/f78be70a-0aff-4a31-80c7-f4a386388e49" class="execution" alt="Architecture">
 </div>
 
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