Java Editor in Eclipse is acting like a plain text editor

Question

Java editor is not working on my eclipse.

• Ctrl + Space does not suggest anymore
• No more color coding (for classes, interfaces, methods, imports , etc.) is no longer present.
• Ctrl + Click to redirect to class being instantiated in not working. It looks like its working like a plain text editor.

I have also noticed that the J icon before the class name has been replaced by what looks like text editor icon. I tried to reset perspective but it hasn't made a difference,

Answer 1

• You may be opening the file in text editor mode
• Try opening in Java Editor mode by right clicking on the file as shown in the below image

• Once done, syntax highlighting should work as shown below