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Java Collections frequency example program

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Here is a java example program for collections frequency operation in Collection c, Object o. The main function of this method is to get the frequency of an element present in the specified list of Collection.

Here how to do java collections frequencies,

@discription:Collections Example program for frequency(Collection c, Object o)
import java.util.List;
import java.util.ArrayList;
import java.util.Collections;
public class Freq
public static void main(String args[])
List arrlist = new ArrayList(); //Create object arrlist
arrlist.add("X"); //add x in arrlist
arrlist.add("Y"); //add y in arrlist
arrlist.add("Z"); //add z in arrlist
arrlist.add("G"); //add G in arrlist
arrlist.add("C"); //add c in arrlist
int freq = Collections.frequency(arrlist, "Z"); //To find freq()
System.out.println("Frequency of 'Z' is: "+freq);//to print freq

Frequency of ‘Z’ is: 1


Filed in: Z-A All Java Codes

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