Question

How to allocate 1MB in Kotlin

Answer 1

fun main() {
    // Allocates 1MB of memory = 1,048,576 bytes
    val oneMbArray = ByteArray(1024 * 1024)

    println("Allocated ${oneMbArray.size} bytes.")
}


 
/*
run:
 
Allocated 1048576 bytes.
 
*/

 

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Answer 2

fun main() {
    // Allocates 1MB of memory = 1,048,576 bytes
    val oneMbArray = ByteArray(1024 * 1024) { 0 } // Initializes all bytes to 0

    println("Allocated ${oneMbArray.size} bytes.")
}


 
/*
run:
 
Allocated 1048576 bytes.
 
*/

 

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