What is Lazy Loading?

Question

What is Lazy Loading?

[Edit after reading a few answers] Why do people use this term so often?

Say you just use a ASP/ADO recordset and load it with data or

Answer 1

is a Design pattern.

Lazy loading: Untill your code require some operation done by a particular object, object is not initilaized, and once it's initialized it doesn't re-initialize the object but uses the previously initialized object.

This makes your code much more efficient and helps managing memory usage.

Example Applications of Lazy loading:

Ghost Lazy initialization Value holder