Collections.Frequency() Function In Java

Collections.frequency(collection, element)

import java.util.ArrayList;
import java.util.Collections;


public class TestClass {

    public static void main(String[] args) {

        ArrayList < String > list = new ArrayList < String > ();
        list.add("Test1");
        list.add("Test2");
        list.add("Test1");
        System.out.println(Collections.frequency(list, "Test1"));
    }
}

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