How to compare two List items in C#?

Equals(Object) Method which is inherited from the Object class is used to check if a specified List object is equal to another List object or not. Syntax: public virtual bool Equals (object obj); Here, obj is the object which is to be compared with the current object.

How do you compare two lists of objects?

Java equals() method of List interface compares the specified object with the list for equality. It overrides the equals() method of Object class. This method accepts an object to be compared for equality with the list. It returns true if the specified object is equal to the list, else returns false.

How do you check if all items in a list are equal C#?

Check if all items are same in a List in C#

  1. Using Enumerable. Distinct Method. A simple solution to check if all list items have the same value is to get the distinct elements count in the list using LINQ’s Enumerable.Distinct method.
  2. Using Enumerable. Any Method.
  3. Using List. TrueForAll Method.

How do I compare two lists of strings?

The following methods to perform List comparison:

  1. reduce() and map() functions.
  2. collection. counter() method.
  3. sort() method and == operator.
  4. set() method and == operator.
  5. Custom List Comprehension.

How do you compare list values?

How to compare two lists in Python?

  1. Using list. sort() and == operator. The list.
  2. Using collections. Counter() This method tests for the equality of the lists by comparing frequency of each element in first list with the second list.
  3. Using == operator. This is a modification of the first method.

How do you check if list items are the same?

Check if all elements are same using list. count()

  1. ”’
  2. check if element are same using list.count()
  3. If occurence count of first element in list is equal to length of list.
  4. Then it means all elements in List are equal.
  5. ”’
  6. result = False;
  7. if len(listOfStrings) > 0 :
  8. result = listOfStrings.

How do you know if two lists are equal?

A simple solution to compare two lists of primitive types for equality is using the List. equals() method. It returns true if both lists have the same size, and all corresponding pairs of elements in both lists are equal.

Can you compare two Arraylists?

You can compare two array lists using the equals() method of the ArrayList class, this method accepts a list object as a parameter, compares it with the current object, in case of the match it returns true and if not it returns false.

How do I find unique elements in two ArrayList?


  1. First create two ArrayList and add values of list.
  2. Convert the ArrayList to Stream using stream() method.
  3. Set the filter condition to be distinct using contains() method.
  4. Collect the filtered values as List using collect() method. This list will be return common element in both list.
  5. Print list3.

Which is the function that compares elements of both lists?

The cmp() function is a built-in method in Python used to compare the elements of two lists. The function is also used to compare two elements and return a value based on the arguments passed.

How do you check if all items in a tuple are the same?

To check if all items of a Tuple are True in Python, call all() builtin function and pass the tuple object as argument to it. all() returns True if all the items of Tuple are True, or else it returns False.

What is identical list?

Two Linked Lists are identical when they have the same data and the arrangement of data is also the same. For example, Linked lists a (1->2->3) and b(1->2->3) are identical. .

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