Programming Examples

Java program to print the frequency of digits present in given number


Write a java program to accept an integer number and print the frequency of each digit present in the number .

Sample:

Input : 3255435

Output: 

Digit Frequency

2 1

3 2

4 1

5 3

Solution

import java.util.*;
class Frequency
{
    public static void main(String arr[])
    {
        Scanner sc=new Scanner(System.in);
        int number,i,count,digit,temp;
        System.out.println("Enter any Number : ");
        number=sc.nextInt();
         System.out.println("Digit\tFrequency");
        for(i=0;i<=9;i++)
        {
            count=0;
            temp=number;
            while(temp>0)
            {
                digit=temp%10;
                if(digit==i)
                {
                    count++;
                }
                temp=temp/10;
            }
            if(count>0)
            {
                System.out.println(i+"\t"+count);
            }
        }
    }
}
Output

Enter any Number : 

2231234

Digit Frequency

1 1

2 3

3 2

4 1

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