Remove characters from a string that appears exactly K times

Here given code implementation process.

/*
    Java Program for
    Remove characters from a string that appears exactly K times
*/
public class RemoveCharacters
{
    public void removeKOccurrences(String text, int k)
    {
        // Get the length
        int n = text.length();
        if (n == 0 || k <= 0)
        {
            return;
        }
        String result = "";
        // Use to count character frequency
        int[] count = new int[256];
        for (int i = 0; i < 256; ++i)
        {
            // Set initial values
            count[i] = 0;
        }
        // Count character frequency
        for (int i = 0; i < n; ++i)
        {
            count[text.charAt(i)]++;
        }
        for (int i = 0; i < n; ++i)
        {
            if (count[text.charAt(i)] != k)
            {
                // Include the resultant character
                result = result + text.charAt(i);
            }
        }
        // Display given text
        System.out.println(" Given text : " + text);
        System.out.println(" Given k  : " + k);
        // Display result
        System.out.println(" Result     : " + result);
    }
    public static void main(String[] args)
    {
        RemoveCharacters task = new RemoveCharacters();
        // Test
        // k = 3
        task.removeKOccurrences("movecodeerror", 3);
        // k = 4
        task.removeKOccurrences("demoipkeyaddressdream", 4);
    }
}

Output

 Given text : movecodeerror
 Given k  : 3
 Result     : mvcd
 Given text : demoipkeyaddressdream
 Given k  : 4
 Result     : moipkyarssram
// Include header file
#include <iostream>
#include <string>

using namespace std;
/*
    C++ Program for
    Remove characters from a string that appears exactly K times
*/
class RemoveCharacters
{
    public: void removeKOccurrences(string text, int k)
    {
        // Get the length
        int n = text.length();
        if (n == 0 || k <= 0)
        {
            return;
        }
        string result = "";
        // Use to count character frequency
        int count[256];
        for (int i = 0; i < 256; ++i)
        {
            // Set initial values
            count[i] = 0;
        }
        // Count character frequency
        for (int i = 0; i < n; ++i)
        {
            count[text[i]]++;
        }
        for (int i = 0; i < n; ++i)
        {
            if (count[text[i]] != k)
            {
                // Include the resultant character
                result = result  +  (text[i]);
            }
        }
        // Display given text
        cout << " Given text : " << text << endl;
        cout << " Given k  : " << k << endl;
        // Display result
        cout << " Result     : " << result << endl;
    }
};
int main()
{
    RemoveCharacters *task = new RemoveCharacters();
    // Test
    // k = 3
    task->removeKOccurrences("movecodeerror", 3);
    // k = 4
    task->removeKOccurrences("demoipkeyaddressdream", 4);
    return 0;
}

Output

 Given text : movecodeerror
 Given k  : 3
 Result     : mvcd
 Given text : demoipkeyaddressdream
 Given k  : 4
 Result     : moipkyarssram
package main
import "fmt"
/*
    Go Program for
    Remove characters from a string that appears exactly K times
*/
type RemoveCharacters struct {}
func getRemoveCharacters() * RemoveCharacters {
    var me *RemoveCharacters = &RemoveCharacters {}
    return me
}
func(this RemoveCharacters) removeKOccurrences(
    text string, k int) {
    // Get the length
    var n int = len(text)
    if n == 0 || k <= 0 {
        return
    }
    var result string = ""
    // Use to count character frequency
    var count = make([] int, 256)
    for i := 0 ; i < 256 ; i++ {
        // Set initial values
        count[i] = 0
    }
    // Count character frequency
    for i := 0 ; i < n ; i++ {
        count[int(text[i])]++
    }
    for i := 0 ; i < n ; i++ {
        if count[int(text[i])] != k {
            // Include the resultant character
            result = result + string(text[i])
        }
    }
    // Display given text
    fmt.Println(" Given text : ", text)
    fmt.Println(" Given k  : ", k)
    // Display result
    fmt.Println(" Result     : ", result)
}
func main() {
    var task * RemoveCharacters = getRemoveCharacters()
    // Test
    // k = 3
    task.removeKOccurrences("movecodeerror", 3)
    // k = 4
    task.removeKOccurrences("demoipkeyaddressdream", 4)
}

Output

 Given text : movecodeerror
 Given k  : 3
 Result     : mvcd
 Given text : demoipkeyaddressdream
 Given k  : 4
 Result     : moipkyarssram
// Include namespace system
using System;
/*
    Csharp Program for
    Remove characters from a string that appears exactly K times
*/
public class RemoveCharacters
{
    public void removeKOccurrences(String text, int k)
    {
        // Get the length
        int n = text.Length;
        if (n == 0 || k <= 0)
        {
            return;
        }
        String result = "";
        // Use to count character frequency
        int[] count = new int[256];
        for (int i = 0; i < 256; ++i)
        {
            // Set initial values
            count[i] = 0;
        }
        // Count character frequency
        for (int i = 0; i < n; ++i)
        {
            count[text[i]]++;
        }
        for (int i = 0; i < n; ++i)
        {
            if (count[text[i]] != k)
            {
                // Include the resultant character
                result = result + text[i];
            }
        }
        // Display given text
        Console.WriteLine(" Given text : " + text);
        Console.WriteLine(" Given k  : " + k);
        // Display result
        Console.WriteLine(" Result     : " + result);
    }
    public static void Main(String[] args)
    {
        RemoveCharacters task = new RemoveCharacters();
        // Test
        // k = 3
        task.removeKOccurrences("movecodeerror", 3);
        // k = 4
        task.removeKOccurrences("demoipkeyaddressdream", 4);
    }
}

Output

 Given text : movecodeerror
 Given k  : 3
 Result     : mvcd
 Given text : demoipkeyaddressdream
 Given k  : 4
 Result     : moipkyarssram
<?php
/*
    Php Program for
    Remove characters from a string that appears exactly K times
*/
class RemoveCharacters
{
    public  function removeKOccurrences($text, $k)
    {
        // Get the length
        $n = strlen($text);
        if ($n == 0 || $k <= 0)
        {
            return;
        }
        $result = "";
        // Use to count character frequency
        $count = array_fill(0, 256, 0);
        // Count character frequency
        for ($i = 0; $i < $n; ++$i)
        {
            $count[ord($text[$i])]++;
        }
        for ($i = 0; $i < $n; ++$i)
        {
            if ($count[ord($text[$i])] != $k)
            {
                // Include the resultant character
                $result = $result.strval($text[$i]);
            }
        }
        // Display given text
        echo(" Given text : ".$text.
            "\n");
        echo(" Given k  : ".$k.
            "\n");
        // Display result
        echo(" Result     : ".$result.
            "\n");
    }
}

function main()
{
    $task = new RemoveCharacters();
    // Test
    // k = 3
    $task->removeKOccurrences("movecodeerror", 3);
    // k = 4
    $task->removeKOccurrences("demoipkeyaddressdream", 4);
}
main();

Output

 Given text : movecodeerror
 Given k  : 3
 Result     : mvcd
 Given text : demoipkeyaddressdream
 Given k  : 4
 Result     : moipkyarssram
/*
    Node JS Program for
    Remove characters from a string that appears exactly K times
*/
class RemoveCharacters
{
    removeKOccurrences(text, k)
    {
        // Get the length
        var n = text.length;
        if (n == 0 || k <= 0)
        {
            return;
        }
        var result = "";
        // Use to count character frequency
        var count = Array(256).fill(0);
        // Count character frequency
        for (var i = 0; i < n; ++i)
        {
            count[text.charAt(i).charCodeAt(0)]++;
        }
        for (var i = 0; i < n; ++i)
        {
            if (count[text.charAt(i).charCodeAt(0)] != k)
            {
                // Include the resultant character
                result = result + text.charAt(i);
            }
        }
        // Display given text
        console.log(" Given text : " + text);
        console.log(" Given k  : " + k);
        // Display result
        console.log(" Result     : " + result);
    }
}

function main()
{
    var task = new RemoveCharacters();
    // Test
    // k = 3
    task.removeKOccurrences("movecodeerror", 3);
    // k = 4
    task.removeKOccurrences("demoipkeyaddressdream", 4);
}
main();

Output

 Given text : movecodeerror
 Given k  : 3
 Result     : mvcd
 Given text : demoipkeyaddressdream
 Given k  : 4
 Result     : moipkyarssram
#    Python 3 Program for
#    Remove characters from a string that appears exactly K times
class RemoveCharacters :
    def removeKOccurrences(self, text, k) :
        #  Get the length
        n = len(text)
        if (n == 0 or k <= 0) :
            return
        
        result = ""
        #  Use to count character frequency
        count = [0] * (256)
        i = 0
        #  Count character frequency
        while (i < n) :
            count[ord(text[i])] += 1
            i += 1
        
        i = 0
        while (i < n) :
            if (count[ord(text[i])] != k) :
                #  Include the resultant character
                result = result + str(text[i])
            
            i += 1
        
        #  Display given text
        print(" Given text : ", text)
        print(" Given k  : ", k)
        #  Display result
        print(" Result     : ", result)
    

def main() :
    task = RemoveCharacters()
    #  Test
    #  k = 3
    task.removeKOccurrences("movecodeerror", 3)
    #  k = 4
    task.removeKOccurrences("demoipkeyaddressdream", 4)

if __name__ == "__main__": main()

Output

 Given text :  movecodeerror
 Given k  :  3
 Result     :  mvcd
 Given text :  demoipkeyaddressdream
 Given k  :  4
 Result     :  moipkyarssram
#    Ruby Program for
#    Remove characters from a string that appears exactly K times
class RemoveCharacters 
    def removeKOccurrences(text, k) 
        #  Get the length
        n = text.length
        if (n == 0 || k <= 0) 
            return
        end

        result = ""
        #  Use to count character frequency
        count = Array.new(256) {0}
        i = 0
        #  Count character frequency
        while (i < n) 
            count[text[i].ord] += 1
            i += 1
        end

        i = 0
        while (i < n) 
            if (count[text[i].ord] != k) 
                #  Include the resultant character
                result = result + text[i].to_s
            end

            i += 1
        end

        #  Display given text
        print(" Given text : ", text, "\n")
        print(" Given k  : ", k, "\n")
        #  Display result
        print(" Result     : ", result, "\n")
    end

end

def main() 
    task = RemoveCharacters.new()
    #  Test
    #  k = 3
    task.removeKOccurrences("movecodeerror", 3)
    #  k = 4
    task.removeKOccurrences("demoipkeyaddressdream", 4)
end

main()

Output

 Given text : movecodeerror
 Given k  : 3
 Result     : mvcd
 Given text : demoipkeyaddressdream
 Given k  : 4
 Result     : moipkyarssram
import scala.collection.mutable._;
/*
    Scala Program for
    Remove characters from a string that appears exactly K times
*/
class RemoveCharacters()
{
    def removeKOccurrences(text: String, k: Int): Unit = {
        // Get the length
        var n: Int = text.length();
        if (n == 0 || k <= 0)
        {
            return;
        }
        var result: String = "";
        // Use to count character frequency
        var count: Array[Int] = Array.fill[Int](256)(0);
        var i: Int = 0;
        // Count character frequency
        while (i < n)
        {
            count(text.charAt(i)) += 1;
            i += 1;
        }
        i = 0;
        while (i < n)
        {
            if (count(text.charAt(i)) != k)
            {
                // Include the resultant character
                result = result + text.charAt(i).toString();
            }
            i += 1;
        }
        // Display given text
        println(" Given text : " + text);
        println(" Given k  : " + k);
        // Display result
        println(" Result     : " + result);
    }
}
object Main
{
    def main(args: Array[String]): Unit = {
        var task: RemoveCharacters = new RemoveCharacters();
        // Test
        // k = 3
        task.removeKOccurrences("movecodeerror", 3);
        // k = 4
        task.removeKOccurrences("demoipkeyaddressdream", 4);
    }
}

Output

 Given text : movecodeerror
 Given k  : 3
 Result     : mvcd
 Given text : demoipkeyaddressdream
 Given k  : 4
 Result     : moipkyarssram
import Foundation;
/*
    Swift 4 Program for
    Remove characters from a string that appears exactly K times
*/
class RemoveCharacters
{
    func removeKOccurrences(_ data: String, _ k: Int)
    {
        let text = Array(data);
        // Get the length
        let n: Int = text.count;
        if (n == 0 || k <= 0)
        {
            return;
        }
        var result: String = "";
        // Use to count character frequency
        var count: [Int] = Array(repeating: 0, count: 256);
        var i: Int = 0;
        // Count character frequency
        while (i < n)
        {
            count[Int(UnicodeScalar(String(text[i]))!.value)] += 1;
            i += 1;
        }
        i = 0;
        while (i < n)
        {
            if (count[Int(UnicodeScalar(String(text[i]))!.value)]  != k)
            {
                // Include the resultant character
                result = result + String(text[i]);
            }
            i += 1;
        }
        // Display given text
        print(" Given text : ", data);
        print(" Given k  : ", k);
        // Display result
        print(" Result     : ", result);
    }
}
func main()
{
    let task: RemoveCharacters = RemoveCharacters();
    // Test
    // k = 3
    task.removeKOccurrences("movecodeerror", 3);
    // k = 4
    task.removeKOccurrences("demoipkeyaddressdream", 4);
}
main();

Output

 Given text :  movecodeerror
 Given k  :  3
 Result     :  mvcd
 Given text :  demoipkeyaddressdream
 Given k  :  4
 Result     :  moipkyarssram
/*
    Kotlin Program for
    Remove characters from a string that appears exactly K times
*/
class RemoveCharacters
{
    fun removeKOccurrences(text: String, k: Int): Unit
    {
        // Get the length
        val n: Int = text.length;
        if (n == 0 || k <= 0)
        {
            return;
        }
        var result: String = "";
        // Use to count character frequency
        var count: Array < Int > = Array(256)
        {
            0
        };
        var i: Int = 0;
        // Count character frequency
        while (i < n)
        {
            count[text.get(i).toInt()] += 1;
            i += 1;
        }
        i = 0;
        while (i < n)
        {
            if (count[text.get(i).toInt()] != k)
            {
                // Include the resultant character
                result = result + text.get(i).toString();
            }
            i += 1;
        }
        // Display given text
        println(" Given text : " + text);
        println(" Given k  : " + k);
        // Display result
        println(" Result     : " + result);
    }
}
fun main(args: Array < String > ): Unit
{
    val task: RemoveCharacters = RemoveCharacters();
    // Test
    // k = 3
    task.removeKOccurrences("movecodeerror", 3);
    // k = 4
    task.removeKOccurrences("demoipkeyaddressdream", 4);
}

Output

 Given text : movecodeerror
 Given k  : 3
 Result     : mvcd
 Given text : demoipkeyaddressdream
 Given k  : 4
 Result     : moipkyarssram


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