- C# Array vs List is where the abstraction and implementation of human computing meet.
- Arrays are incredibly related to the hardware concept of contiguous and contiguous memory, where each part is the same size (although these parts are usually addresses, so they are discussed with non-identical references.
- Lists can be (arithmetic) in some extent above) where sorting is possible, where there is (usually) a beginning and an end, and hence where an index is possible.
- The two ideas go together well. However, once we treat lists as abstract data types, a means of accessing and manipulating data, we may break some of these rules
What is an Array?
- The array can be a contiguous array of comparable data, which will be retrieved based on the "index".
- This is the best style in the system, where time can stay in a contiguous memory location
- In Array, indexing starts from zero, so to access the main part of the "numarray" array, it must be written as numarray.
- An array can be a contiguous part of memory occupying n*size(type) bytes, where n is the length of the array and size(type) is the size of the array memory needed to move the type of information in the array you continue to store and use.
- This suggests that if you were to form an array of 100 integers and each integer took 4 bytes, you would probably need at least 400 bytes (100*) 4) of unused portion of memory.
- This also means that arrays are very inexpensive to train, free, and to use due to their memory blocks.
- The information is kept in a contiguous memory allocation. Once inside m/y, each half follows the other.
- There is no chance in the assignment. They provide random access like arr, arr, etc Memory is statically allocated. This results in memory loss. There is only one data style in each table cell. Insertion and removal take a little longer.
What is a List?
- ArrayList can be an array of objects of the same or different types. ArrayList dimensions are dynamically inflated or adjusted as needed.
- It works like an array; however, unlike an array in an ArrayList, elements are allocated or reallocated dynamically, i.e you will add, remove, index or look up data in an array.
- A list, but may be of a completely different structure. Most list implementations are a mix of storage nodes: one. - A price, 2 - One or more pointers that maintain connections between nodes.
- This suggests that you just don't want to have an accessible block of memory large enough to hold all of your data, because the nodes are scattered throughout your memory.
- By a pointer to the next cell (in the case of doubly linked lists only, n points to the previous cell).
- Due to the dependencies of each half, they must be obtained in order.
- After each cell's request is processed, m/y is dynamically assigned to each cell. So no m/y waste.
- A cell is divided into several components, each containing information of a different data type. However, the last should essentially be a pointer to a next cell.
- Inserting and deleting is easier and faster. It is also easier to look outside.
Difference between C# Array and List
- Let's look at the comparison between C# Array and List above.
- Array stores data of the same type, while ArrayList stores data based on the type of object, which can be of multiple types.
- While the size of the array remains constant throughout the program, the size of ArrayList grows dynamically.
- Array performs insert and delete operations faster than Array ArrayLists are not as strongly typed as Array.
- The system is the home of the array. ArrayList, on the other hand, is part of the collection's System.namespace namespace. When choosing between Array and ArrayList, follow the idea of only using the options you need to use.
- In the C# language, we have seen a performance memory usage comparison of C# Array and List. Regular boards are generally better for speed. Improving performance is key.
- C uses lists more frequently than arrays; however, there are situations where arrays will (or should) be used, such as when dealing with relatively large amounts of data that require periodic indexing, or when your data is unlikely to grow by significantly.