Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

import java.util.Collection;

import java.util.Iterator;

public class Main {
    public static boolean equals(Collection<?> collection1, Collection<?> collection2) {
        if (collection1 == collection2) {
            return true;
        }

        if (collection1.size() != collection2.size()) {
            return false;
        }

        final Iterator<?> iterator1 = collection1.iterator();
        final Iterator<?> iterator2 = collection2.iterator();

        while (iterator1.hasNext()) {
            final Object object1 = iterator1.next();
            final Object object2 = iterator2.next();

            if ((object1 == null && object2 != null) || (object1 != null && object2 == null)) {
                return false;
            }

            if (object1 != null && !object1.equals(object2)) {
                return false;
            }
        }

        return true;
    }
}