# HazardousMaterial
The class code for the hazardous material can only be the letters 'A' through 'F', inclusive.
Problem Statement
Write the code to provide validation for the HazardousMaterial class. The solution must meet the following requirements (new requirements are in bold):
- Should return the class code as the classification
- Should make sure only class codes 'A' through 'F' are allowed (in either upper or lower case)
- Should make sure the classification is stored in upper case
- Should get the description for the class, based on the following table
| Class Code | Description |
|---|---|
| A | Compressed Gas |
| B | Flammable and Combustible Material |
| C | Oxidizing Material |
| D | Poisonous and Infectious Material |
| E | Corrosive Material |
| F | Dangerously Reactive Material |
- Should override the toString() method to get the full description and class code in the following format:
- "Class ClassCode - Description"
Use the following class diagram when creating your solution.
