Prologue. - Review: Object-Oriented Features. - 1 Object Orientation. - 2 Class-Based Languages. - 3 Advanced Class-Based Features. - 4 Object-Based Languages. - 5 Modeling Object-Oriented Languages. - I: Untyped and First-Order Calculi. - 6 Untyped Calculi. - 7 First-Order Calculi. - 8 Subtyping. - 9 Recursion. - 10 Untyped Imperative Calculi. - 11 First-Order Imperative Calculi. - 12 A First-Order Language. - II: Second-Order Calculi. - 13 Second-Order Calculi. - 14 A Semantics. - 15 Definable Covariant Self Types. - 16 Primitive Covariant Self Types. - 17 Imperative Calculi with Self Types. - 18 Interpretations of Object Calculi. - 19 A Second-Order Language. - III: Higher-Order Calculi. - 20 A Higher-Order Calculus. - 21 A Language with Matching. - Epilogue. - APPENDIX: Rules and Proofs. - A Fragments. - A. 1 Simple-Objects Fragments. - A. 2 Other Typing Fragments. - A. 3 Other Equational Fragments. - B Systems. - C Proofs. - C. 1 Proof of the Variance Lemma from Section 13. 3. - C. 2 Proof of the Variance Lemma from Section 16. 4. - C. 3 Deriving the Rules for ?-Objects from Section 15. 1. 2. - C. 4 Denotational Soundness of Equational Rules. - List of Figures. - List of Tables. - List of Notations. - List of Languages. Language: English