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Problem Approach
- Created a class to store a person’s first and last name as private instance variables.
- Used a constructor to initialize the name values when a
SignedText object is created.
- Built a
getSignature() method to generate a signature using:
- The first letter of the first name (if it exists)
- A dash
- The full last name
- Used
indexOf() to check whether the signature already exists in the text.
- Handled three cases in
addSignature():
- Signature not found → append it to the end of the text
- Signature found at the beginning → move it to the end
- Signature found elsewhere → leave the text unchanged
- Returned the modified (or unmodified) text based on these conditions.