Question

A financial services team is modernizing a legacy COBOL batch program into a Java service. A developer selects a 200-line COBOL paragraph that computes interest accrual and asks Copilot Chat to translate it to equivalent Java. Copilot produces compilable Java quickly. Before the team relies on this output as the new production logic, what is the most important step they should take?

Accepted Answer

Verify the translated Java against the original COBOL using representative business inputs, comparing numeric outputs (especially decimal rounding and packed-decimal precision) to confirm behavioral equivalence.

Answer

Accept the Java output as-is since it compiles, because Copilot preserves semantics whenever the generated code is syntactically valid.

Answer

Immediately delete the COBOL source so future work references only the modern Java implementation and avoids confusion.

Answer

Reformat the generated Java with the team's linter and merge, treating style conformance as sufficient evidence of correctness.