Welcome to the fourth edition ofObject-Oriented Data Structures Using Java?. This book pres- entsthealgorithmic,programming,andstructuringtechniquesofatraditionaldatastructures course in an object-oriented context. You’ll find the familiar topics of linked lists, recursion, stacks,queues,collections,indexedlists,trees,maps,priorityqueues,graphs,sorting,searching, andcomplexityanalysis,allcoveredfromanobject-orientedpointofviewusingJava.Westress softwareengineeringprinciplesthroughout,includingmodularization,informationhiding,data abstraction,stepwiserefinement,theuseofvisualaids,theanalysisofalgorithms,andsoftware verificationmethods.