<ul><li>Facade Design Pattern is used to define a single interface for a set of interfaces in a subsystem for ease of use by clients.</li><li>It provides a simplified interface for accessing complex subsystems, shielding clients from the complexity of the underlying classes.</li><li>Facade Design Pattern is beneficial when providing a simple interface for a complex subsystem, decoupling subsystems from clients and other systems, and layering subsystems.</li><li>Abstract Factory can be used alongside Facade to provide an interface for creating subsystem objects in a subsystem-independent way.</li></ul>

When to use Facade Design Pattern?

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