Kotlin – Using ?. and ?.let {} to Avoid Null Checks

One of the most common issues in Java programming is dealing with null values, which can lead to the dreaded NullPointerException (NPE). Kotlin, however, provides built-in features to handle null safety in a more elegant way. Two of the most useful tools for this are ?. (safe call operator) and ?.let {} (scope function). In …

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