What is the process of changing from Java to Dafny language?

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The process of changing from Java to Dafny language can involve several steps, such as:

1. Learning the syntax and semantics of Dafny: Dafny is a language that is designed for formal verification and has a different syntax and semantics from Java. You will need to learn the new language and its programming paradigms to be able to write programs in Dafny.

2. Understanding the verification process: Dafny uses a verification process to ensure that programs are correct. This process involves proving the correctness of programs using mathematical proof techniques. You will need to understand the verification process to be able to write correct programs.

3. Refactoring Java code: If you already have Java code, you will need to refactor it to the Dafny syntax. This may involve changing the code structure, variable names, and other elements of the code.

4. Writing new code in Dafny: Once you have learned Dafny syntax and semantics and have refactored your Java code, you can start writing new code in Dafny. This will involve using the Dafny language to write new programs that adhere to its verification process and programming paradigms.

5. Testing and verifying Dafny code: Like Java, Dafny code will need to be tested and verified to ensure that it works correctly. You will need to use Dafny's verification process to prove the correctness of your code and ensure that it is ready for deployment.