equals Iterator - Java Collection Framework

Java examples for Collection Framework:Iterator

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Description

equals Iterator

Demo Code


//package com.java2s;
import java.util.ArrayList;

import java.util.Iterator;
import java.util.List;

public class Main {
    @SuppressWarnings("unchecked")
    public static <T> boolean equalsIters(Iterator<T> it1, Iterator<T> it2) {
        List list1 = new ArrayList();
        List list2 = new ArrayList();

        while (it1.hasNext()) {
            list1.add(it1.next());//from  w w w .ja va2 s.  c  o m
        }

        while (it2.hasNext()) {
            list2.add(it2.next());
        }

        return equalsLists(list1, list2);
    }

    public static <T> boolean equalsLists(List list1, List list2) {
        if (list1.size() != list2.size()) {
            return false;
        }

        for (int i = 0; i < list1.size(); ++i) {
            if (!equals(list1.get(i), list2.get(i))) {
                return false;
            }
        }

        return true;
    }

    public static boolean equals(Object a, Object b) {
        if (a == null) {
            return b == null;
        }

        return a.equals(b);
    }
}

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