Collection Interface size() Method

This method is use to find out number of elements held in the invoking collection.

Collection Interface size() Method:

This method is use to find out number of elements held in the invoking collection.

Syntax :

    int size();

Example :

import java.util.ArrayList;
import java.util.List;
import java.util.Collection;

public class CollectionInterfaceSizeMethod {

public static void main(String[] args) {
  Collection collection = new ArrayList();
  collection.add("Ankit");
  collection.add("Ravi");
  collection.add("Deepak");
  collection.add("Raj");
  collection.add("Kumar");
  collection.add("Jitendra");
  
  int listsize = collection.size();
  System.out.println("Size = " + listsize);
  }
}

Output :

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