Need a Java developer for a client who needs support for a technical interview. This to design and implement a Java application that performs a density check for various chemical products manufactured by a chemical company.

I am looking for an entry-level Java developer to support a client in a technical interview. The question entails designing and implementing a Java application that performs a density check for various chemical products manufactured by a chemical company. This is NOT a commercial project and documentation privacy must be protected. If work is good, other 4 questions will be awarded.

Preferred Skills and Experience:
- Strong knowledge of Java programming language
- Understanding of object-oriented programming principles
- Familiarity with data structures and algorithms
- Experience with Java frameworks and libraries
- Ability to work independently and troubleshoot issues
- Must use the BlueJ compiler

Specific Requirements:
- Detailed list of requirements will be provided
- Application should accurately calculate and display density for different chemical products
- User-friendly interface with intuitive navigation
- Error handling and validation for input data
- Efficient algorithms for calculations

Timeline:
- Project with a deadline of 1 week.

If you are an entry-level Java developer looking for an opportunity to gain experience and showcase your skills, this project is a great fit for you. Apply now and help me succeed in my technical interview.