Update: I HAVE FINISHED THE PROJECT ALREADY. I created a class for a rectangular prism with a width, length, and height. The class is fully working and I'm ready to send it to you. If there's anything that needs to be changed with the class, I'll gladly make any necessary changes.
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Original message:
I can write this simple Java class for you. I'll go ahead and get started now. Once I'm done, I'll update this bid text to show that I have finished the project so you can accept my bid and I'll give you the Java class.