Frequency of Students | Editorial by manikasharma

**Approach**
1. To count the frequency of the name of a particular student use a Map to store the names, frequency.
2. If the name occurs for the first time put name,1 in the map.
3. Else if the name is already present in the Map then increase the count of frequency.
4. To print the output in a lexicographical order use a Tree Map which sorts the key in ascending order.
5. Print the Map to get the final output.

**Code**
```
import java.io.*;
import java.math.*;
import java.util.*;
class name
{
    public static void main(String[]args)throws IOException
    {
        Scanner sc=new Scanner(System.in);
        int n,i;
        String a[];
        n=sc.nextInt();
        a=new String[n];
        Map<String,Integer> map=new TreeMap<String,Integer>();
        for(i=0;i<n;i++)
        {
            a[i]=sc.next();
        }
        for(i=0;i<n;i++)
        {
            if(map.containsKey(a[i]))
            {
                int temp=map.get(a[i])+1;
                map.put(a[i],temp);
            }
            else
            map.put(a[i],1);
        }
       // Collections.sort(map);
        for(Map.Entry entry : map.entrySet())
        {
            System.out.println(entry.getKey()+" "+entry.getValue());
        }}}
        ```

Frequency of Students | Editorial by manikasharma

Download submission

All caught up!

View submission

Is your resume even shortlisted?