FrequencyCount.java

package com.sarvesh.javabasics;
import java.util.Scanner;

public class FrequencyCount {
 public static void main(String[] args) {
 Scanner sc = new Scanner(System.in);

 System.out.print("Enter number of elements: ");
 int n = sc.nextInt();

 int[] arr = new int[n];
 System.out.println("Enter elements:");
 for(int i=0;i<n;i++) {
 arr[i] = sc.nextInt();
 }

 for(int i=0;i<n;i++) {
 int count = 1;
 boolean alreadyCounted = false;
 for(int j=0;j<i;j++) {
 if(arr[i] == arr[j]) {
 alreadyCounted = true;
 break;
 }
 }
 if(alreadyCounted) {
 continue;
 }
 for(int j=i+1;j<n;j++) {
 if(arr[i] == arr[j]) {
 count++;
 }
 }
 System.out.println(arr[i] + " -> " + count);
 }
 sc.close();
 }
}