package com.logicbig.example.collections;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class FrequencyExample {
public static void main(String... args) {
List<Integer> list = new ArrayList<>();
list.add(1);
list.add(2);
list.add(1);
int i = Collections.frequency(list, 1);
System.out.println(i);
}
}