methods available for a stl vector

Methods available for an STL vector in C++

• push_back(): Adds an element to the end of the vector.
• pop_back(): Removes the last element from the vector.
• size(): Returns the number of elements in the vector.
• empty(): Returns true if the vector is empty, false otherwise.
• clear(): Removes all elements from the vector.
• resize(): Changes the size of the vector.
• reserve(): Requests that the vector capacity be at least enough to contain a specified number of elements.
• at(): Accesses the element at a specified position with bounds checking.
• front(): Accesses the first element in the vector.
• back(): Accesses the last element in the vector.
• begin(): Returns an iterator to the beginning.
• end(): Returns an iterator to the end.
• insert(): Inserts elements into the vector at a specified position.
• erase(): Removes elements from the vector at a specified position or range.
• emplace(): Constructs and inserts an element at a specified position.
• emplace_back(): Constructs and appends an element to the end.
• swap(): Swaps the contents of two vectors.

These methods provide various ways to manipulate and access elements in an STL vector in C++.