ImageIO cannot be resolved

The "ImageIO cannot be resolved" error is a common error in Java that occurs when the compiler is unable to recognize the ImageIO class.

Here are a few reasons why this error might occur:

1. The ImageIO class has not been imported: To use the ImageIO class in your code, you need to import it using the following line at the top of your file:

import javax.imageio.ImageIO;

2. The Java ImageIO library is not included: The ImageIO class is part of the Java ImageIO library, so if you are using an IDE such as Eclipse or IntelliJ, make sure that the Java ImageIO library is included in the project build path.

3. The classpath is not set up correctly: If you are compiling your code from the command line, make sure that the classpath is set up correctly to include the Java ImageIO library.

By addressing these issues, you should be able to resolve the "ImageIO cannot be resolved" error.