如何比较两个数组列表？ [英] How to compare two array lists ?

问题描述

嗨
我有两个不同大小的数组列表。假设list1有4个值，list 2有两个值。我的问题是如何检查list1中是否存在列表2值？

Hi I have two array lists of different sizes. suppose list1 have 4 values and list 2 have two values. My question is "how to check whether list 2 values are present in list1 or not ?

推荐答案

检查一下。我想你会得到你的解决方案。



代码：

Check this. I think you will get your solution.

code:

ArrayList numList1 = new ArrayList(new int[] { 1, 2, 3, 4});
            ArrayList numList2 = new ArrayList(new int[] { 1, 5, 3});


            ArrayList numListDiff3 = new ArrayList();
            foreach (int listElement in numList1)
            {
                if (!numList2.Contains(listElement))
                {
                    numListDiff3.Add(listElement);
                }
            }


            foreach (int listElement in numList2)
            {
                if (!numList1.Contains(listElement))
                {
                    numListDiff3.Add(listElement);
                }
            }

来源： http://forums.asp.net/post/3573258.aspx [ ^ ]



参考原始答案添加[/ Edit]

Source: http://forums.asp.net/post/3573258.aspx[^]

Reference to original answer added[/Edit]

这样的东西：

Something like this:

ArrayList list1 = new ArrayList(new int[] {1,2,3,4,5});
ArrayList list2 = new ArrayList(new int[] {1,2,8});
for (int i=0; i<list1.count && i<list2.Count; i++) {
    if (!Object.Equals(list1[i], list2[i]))
        Console.WriteLine("Different value at index {0}.", i);
}

请参阅以下链接，这可能对您有所帮助



http://stackoverflow.com/questions/4153120/whats-最快的方式 - 比较 - 两个阵列 - 平等 [ ^ ]

http://stackoverflow.com/questions/683310/getting-the-diff-between-two-arrays-in-c [ ^ ]

谢谢

-RA

See the below links, this may helps you

http://stackoverflow.com/questions/4153120/whats-the-fastest-way-to-compare-two-arrays-for-equality[^]
http://stackoverflow.com/questions/683310/getting-the-diff-between-two-arrays-in-c[^]
Thanks
-RA

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