1e41f4b71Sopenharmony_ci# Container Overview 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ciThe container classes provide a set of methods to process elements of various data types stored in containers. It has advantages as a pure data structure container. 4e41f4b71Sopenharmony_ci 5e41f4b71Sopenharmony_ciThe container classes are implemented in a way similar to static languages. By restricting storage locations and attributes, they remove redundant logic while providing the complete functionalities for each type of data, ensuring efficient data access and improving application performance. 6e41f4b71Sopenharmony_ci 7e41f4b71Sopenharmony_ciThere are 14 types of linear and nonlinear containers, each of which has its own features and uses cases. For details, see [Linear Containers](linear-container.md) and [Nonlinear Containers](nonlinear-container.md). 8