Design (LLD) Android Unlock Pattern - Machine Coding InterviewSubhahu Jain·Oct 20, 2024·3 min readTable of contentsFeatures RequiredDesign Patterns UsedAlgorithms InvolvedCode (In Java)Beginner DevelopersGeneral ProgrammingJavaNode.jsObject Oriented ProgrammingPythonReactsoftware developmentTutorialWeb Development