While both languages are viable for Android development, Kotlin is generally the preferred choice for new projects due to several compelling reasons: 1. Official Support and Future Focus: Google has officially endorsed Kotlin as the preferred language for Android development since 2019. This means Kotlin receives first-class support in Android Studio and future Android updates. 2. Conciseness and Readability: Kotlin's syntax is often more concise and expressive than Java's, leading to less code and better readability. Example: Java // Java public class Person { private String name; private int age; // ... constructors, getters, setters } Kotlin // Kotlin data class Person ( val name: String, val age: Int ) 3. Null Safety: Kotlin's built-in null safety helps prevent NullPointerExceptions, common in Java and difficult to debug. Example: Java // Java (Potential NullPointerException) String name = person.getName(); Kotlin // Kotlin (Safe null handling)...