5/2/2023 0 Comments Kotlin nullable string![]() ![]() ![]() ![]() Over the years, your authors and their colleagues settled into a convention where Java references are assumed to be nonnull unless otherwise flagged. We can deduce that methods that return an item from a collection must be able to return null, but can addressLine3 be null, or do we use an empty string when there is no information? Prior to Java 8, Java relied on convention, documentation, and intuition to distinguish between references that could or could not be null. This is another area where the grains of Java and Kotlin are different. Perhaps Kotlin’s most attractive feature for Java programmers is its representation of nullability in the type system. ![]()
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