Kotlin arrayOfNulls() term entry : Issue #5310

content/kotlin/concepts/arrays/terms/arrayOfNulls/arrayOfNulls.md

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+---
+Title: 'arrayOfNulls()'
+Description: 'Creates an array of a specified size with all elements initialized as null.'
+Subjects:
+  - 'Code Foundations'
+  - 'Mobile Development'
+Tags:
+  - 'Android'
+  - 'Arrays'
+  - 'Map'
+  - 'Kotlin'
+CatalogContent:
+  - 'learn-kotlin'
+  - 'paths/computer-science'
+---
+
+In Kotlin, the **`arrayOfNulls()`** function creates an array of a specified size with all elements initialized as `null`. This method is useful for creating an array with a defined size when the initial values are not yet available, allowing for value assignment at a later point.
+
+## Syntax
+
+```pseudo
+fun <T> arrayOfNulls(size: Int): Array<T?>
+```
+
+- `T`: Represents the type of elements in the array.
+- `size`: An integer specifying the size of the array to create.
+
+It returns an `Array<T?>` of the specified size, initialized with `null`.
+
+## Example
+
+The following example uses the `arrayOfNulls()` function:
+
+```kotlin
+fun main() {
+    // Create an array of size 5 with all elements initialized as null
+    val nullArray = arrayOfNulls<Int>(5)
+
+    // Assign values to some elements in the array
+    nullArray[0] = 2
+    nullArray[1] = 4
+
+    // Print the array after assigning values
+    println(nullArray.contentToString())
+}
+```
+
+This example results in the following output:
+
+```shell
+[2, 4, null, null, null]
+```