Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.util.Collection;

import java.util.HashSet;

public class Main {
    public static Integer getIntersectionSize(Collection<? extends Object> list1,
            Collection<? extends Object> list2) {
        return getIntersection(list1, list2).size();
    }

    public static Collection<? extends Object> getIntersection(Collection<? extends Object> list1,
            Collection<? extends Object> list2) {
        HashSet<?> hashSet = new HashSet<Object>(list1);
        Collection<?> intersection = hashSet;
        intersection.retainAll(list2);
        return intersection;
    }
}