37 runnable examples covering the eight feature posts on ankurm.com, verified against Jackson 3.2.1 on Temurin 21.0.5. Every output committed under docs/ was produced by run-all.sh. Also documents 11 places where the published snippets do not compile or do not behave as printed against a real Jackson 3 build - most notably that writeValueAsString(List<Base>) silently drops the polymorphic type discriminator, so the post's serialised output cannot be read back.
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5 lines
149 B
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Card ending: 4242
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Bank: National Bank
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lossy JSON round-trip -> InvalidTypeIdException
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correct JSON round-trip -> 2 payments, CreditCardPayment first
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