Java Program to count frequency of a digit | Ask The Code

Program to count frequency of a digit using Java | Java Programming | AskTheCode

Problem:

Count the frequency of a particular digit in a given number.


Input sample:

3 983653

Output Sample:

2


Code:


import java.util.Scanner;

public class freq_of_a_digit{

public static void main(String[] args) {

Scanner scan = new Scanner(System.in);

int digit = scan.nextInt();

int n = scan.nextInt();

int[] arr = new int[20];

int i = 0, freq = 0;

while(n != 0){

int val = n % 10;

arr[i] = val;

i++;

n = n / 10;

}

for (int j = 0; j <= i; j++) {

if (arr[j] == digit) {

freq += 1;

}

}

System.out.println(freq);

}

}


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