Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.util.Collection;
import java.util.Iterator;

public class Main {
    public static void trimCollection(Collection collection, int numberOfElements) {
        if (collection.size() < numberOfElements) {
            return;
        }

        numberOfElements = collection.size() - numberOfElements;
        Iterator it = collection.iterator();
        int counter = 0;

        while (it.hasNext()) {
            if (counter <= numberOfElements) {
                it.next();
                counter++;
            }
            it.remove();
        }
    }
}