Data Structure –
Data structure is a collection of data values, the relationships among them, and the functions or operations that can be applied to the data. Data structures can be used to store data in a computer‘s memory or even on disk storage. Data structure is the way in which data is organized in memory or on disk can have a significant impact on the performance of a computer program.
There are many different types of data structures, each with its own advantages and disadvantages. Some of the most common data structures include arrays, linked lists, trees, and hash tables.
Need of Data Structure –
There are many different types of data structures, each with its own strengths and weaknesses. Some common data structures include: –
Arrays: An array is a data structure that stores a collection of items in a contiguous block of memory. Arrays are often used to store data that is accessed sequentially, such as a list of names or a list of numbers.
Linked Lists: A linked list is a data structure that stores a collection of items in a series of connected nodes. Linked lists are often used to store data that is accessed randomly, such as a list of employees or a list of customers.
Trees: A tree is a data structure that stores a collection of items in a hierarchical structure. Trees are often used to store data that is organized in a hierarchy, such as a family tree or an organizational chart.
Hash Tables: A hash table is a data structure that stores a collection of items in a key–value pairs. Hash tables are often used to store data that is accessed quickly, such as a dictionary or a phone book.
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