Day3

StaticAarray.kt


fun main() {
    // Static array size can not change after defined
    // means you can't add more elements 

    // Keyword arrayof()
    var arr = arrayOf("Devansh",56,77,65)
    // this is array can have Any Datatype element 

    // Set particular Datatype for Static array
    // element can have only String type
    var arr2 = arrayOf<String>("Devansh","Haresh","Bhautik")
    // element can have only Int type
    var arr3 = arrayOf<Int>()

    // Kotlin Has also built-in functions for different data types of array
    var intarray = intArrayOf()
    var bytearray = byteArrayOf()
    var shortarray = shortArrayOf()
    var boolarray = booleanArrayOf()
    var doublearray = doubleArrayOf()
    var floatarray = floatArrayOf()
    var chararray = charArrayOf()
    
}

DynamicArray.kt

StaticHashMap.kt

DynHashMap.kt

HashMapArray.kt


	fun main() {

    val name = arrayOf("Devansh", "Haresh", "Bhautik")

    val students = arrayOf<HashMap<String, Int>>(
        hashMapOf("Science" to 99, "English" to 34, "Maths" to 89),  //Devansh
        hashMapOf("Science" to 77, "English" to 90, "Maths" to 66),  // Haresh
        hashMapOf("Science" to 34, "English" to 89, "Maths" to 90) // Bhautik
    )

    for (x in 0 until students.size) {
        for (y in 0 until students[0].size) {
            println("${name[x]} : ${students[x].keys.toList()[y]} = ${students[x].values.toList()[y]} ")
        }
        println()
    }

}

// -> List of Keys as output  
//    println(students[1].keys.toList())
// -> List of Values as output     
//    println(students[1].values.toList())