Collection framework contains the group of objects so we called Collection Framework.Collection framework also called a Container.it has grop og libraries and classes. Benifits for using Collections Helpful to developers by providing all standard data structures algorithms to let the developer concentrate more on functionality rather than the lower level details Faster execution with a range of options available for choice of implementation. The framework aids in improving the quality and performance of Java applications. Code to interface Since the collections framework is coded on the principles of ldquoCode to Interfacerdquo, it aids in inter-operability between APIs that are not directly related. Learning Curve Easy to learn and start using Collections due to the ldquoCode to Interfacerdquo principles.