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

Updated: Mar 9

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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