Kotlin program to read, traverse, reverse and sort string array

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YasminRadwan26

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2022-07-13

301

Given a string array, we have to read, traverse, reverse and sort its elements.

Example:

    Input:
    arr = ["abc", "pqr", "xyz"]

    Output:
    String arra is: ["abc", "pqr", "xyz"]
    Reversed: ["xyz", "pqr", "abc"]
    Sorted (Ascending Order): ["abc", "pqr", "xyz"]
    Sorted (Descending Order): ["xyz", "pqr", "abc"]

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YasminRadwan26

2022-07-13

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Program to read, traverse, reverse and sort string array in Kotlin

package com.includehelp.basic

import java.util.*

//Main Function entry Point of Program
fun main(args: Array<String>) {
    //Input Stream
    val s = Scanner(System.`in`)

    //Input Array Size
    print("Enter number of elements in the String array: ")
    val size = s.nextInt()

    //Create Integer array of Given size
    val strArray = Array<String>(size){""}

    //Input array elements
    println("Enter String Arrays Elements:")
    for (i in strArray.indices) {
        print("strArray[$i] : ")
        strArray[i] = readLine().toString()
    }

    //Print String Array
    println("String Array Elements : ${strArray.contentToString()}")

    //Print String Array in Reverse
    var reversedArray = strArray.reversedArray()
    println("Reversed String Array Elements : ${reversedArray.contentToString()}")

    //Print Ascending Sorted Array
    var ascSortedArray = strArray.sortedArray()
    println("Sorted String Array Elements : ${ascSortedArray.contentToString()}")

    //Print Descending Sorted Array
    var desSortedArray = strArray.sortedArrayDescending()
    println("Sorted String Array Elements : ${desSortedArray.contentToString()}")
}

Output

Enter number of elements in the String array: 7
Enter String Arrays Elements:
strArray[0] : includehlep indai
strArray[1] : Nee Delhi
strArray[2] : Australia
strArray[3] : Corona
strArray[4] : Ameriaca
strArray[5] : Japan
strArray[6] : mumbai
String Array Elements : [includehlep indai, Nee Delhi, Australia, Corona, Ameriaca, Japan, mumbai]
Reversed String Array Elements : [mumbai, Japan, Ameriaca, Corona, Australia, Nee Delhi, includehlep indai]
Sorted String Array Elements : [Ameriaca, Australia, Corona, Japan, Nee Delhi, includehlep indai, mumbai]
Sorted String Array Elements : [mumbai, includehlep indai, Nee Delhi, Japan, Corona, Australia, Ameriaca]

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