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Java deserialization

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Ignore Unknown JSON Fields Using Jackson

Ignore Unknown JSON Fields Using Jackson: 3 Proven Solutions

Posted by By admin April 29, 2025
Discover three reliable ways to configure Jackson to ignore unknown JSON fields using annotations, ObjectMapper, and Spring Boot. Prevent crashes and ensure backward compatibility in your Java or Android apps.…
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Problem: Print numbers from 1 to 100. For multiples of 3, print "Fizz"; for multiples of 5, print "Buzz"; for multiples of both 3 and 5, print "FizzBuzz.".

Copy
FizzBuzz:

for (int i = 1; i <= 100; i++) 
    System.out.println(i % 3 == 0 ? (i % 5 == 0 ? "FizzBuzz" : "Fizz") : (i % 5 == 0 ? "Buzz" : i));
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