C++ Core Concepts in Practice

This module refreshes the C++ language foundations needed for later work: declaring and reasoning about values, evaluating expressions, and tracing control flow through functions.

• ·Course Introduction

  Welcome and orientation to a compact C++ refresher focused on memory, object-oriented design, generic programming, and STL usage. The course uses code reading, debugging, and focused reasoning to prepare you for advanced programming and data-structures study.

• ·Types, Variables, and Scope

  Review fundamental and user-defined type distinctions, declarations, initialization, constness, and the relationship between variables and their scopes. Practice predicting which declarations are visible and how type choices affect valid operations.

• ·Expressions and Operators

  Refresh arithmetic, comparison, logical, assignment, increment, and conditional operators, with attention to the types and values they produce. Trace nontrivial expressions without confusing evaluation order, implicit conversion, and precedence.

• Control Flow and Functions

  Synthesize the language essentials by reasoning through conditional and iterative control flow alongside function declarations, calls, parameters, and returns. Assessment focuses on predicting execution, identifying scope and type effects, and explaining how expressions determine control decisions.

Refresh how C++ names, accesses, allocates, and releases objects in memory. Learners progress from references and pointers through array addressing and dynamic lifetime, then synthesize these ideas to diagnose memory-safety problems.

• ·References and Pointers

  Review references as aliases and pointers as objects that store addresses, including initialization, null pointers, dereferencing, and the address-of operator. Use short code traces to determine which object an expression accesses.

• ·Arrays and Pointer Arithmetic

  Connect built-in arrays, indexing, and pointers through the equivalence between a[i] and *(a + i) in valid expressions. Determine how pointer increments and differences relate to element positions, and identify when an address falls outside the array's valid access range.

• ·Dynamic Memory and Lifetime

  Examine how new creates dynamically allocated objects or arrays and how delete or delete[] ends their lifetimes. Reason about the difference between an address stored in a pointer and the lifetime of the object at that address.

• Memory Safety Reasoning

  Synthesize references, pointers, pointer arithmetic, and dynamic lifetime to trace memory states and classify failures such as null dereferences, out-of-bounds access, use-after-delete, and mismatched deallocation. Justify whether each access is valid and explain the reasoning from object lifetime and bounds.

This module refreshes how C++ models objects through classes, controls object state, manages construction and copying, and preserves interface guarantees with constness and parameter passing. Learners then trace inheritance and dynamic dispatch while synthesizing object lifetime, copying, and polymorphic behavior.

• ·Classes and Encapsulation

  Review class definitions, data members, member functions, and the distinction between an object's interface and its representation. Trace how public, private, and protected access affect which code can inspect or modify an object's state.

• ·Constructors, Destructors, and Copying

  Reason about when constructors and destructors run and how copying creates or assigns object state. Distinguish copy construction from copy assignment and connect each operation to the lifetime of the objects involved.

• ·Constness and Parameter Passing

  Analyze const objects, const member functions, and const references as guarantees about permitted modification. Compare pass-by-value, pass-by-reference, and pass-by-pointer by tracing aliasing, copying, and whether a function can change the caller's object.

• Inheritance and Dynamic Dispatch

  Synthesize class interfaces, object construction and copying, constness, and parameter passing with inheritance and dynamic dispatch. Analyze base and derived objects through references or pointers, including the role of virtual functions and virtual destructors in safe polymorphic use.

This module refreshes generic programming and the Standard Template Library through focused reasoning about function templates, container capabilities, iterator-based algorithms, and performance trade-offs. Learners progress from reading template code to selecting and evaluating STL data structures in unfamiliar C++ code.

• ·Function Templates

  Function templates define type-independent operations that the compiler specializes for particular arguments. Learners reason about template parameters, deduction, explicit type arguments, and how the resulting types affect overload behavior and expressions.

• ·STL Container Selection

  STL containers provide different guarantees for storage, access, insertion, removal, ordering, and key lookup. Learners compare those guarantees to determine which container fits a stated set of operations.

• ·Iterators and Algorithms

  Iterators provide a common way to traverse ranges, while STL algorithms operate on those ranges without depending on a particular container. Learners reason about half-open ranges, iterator categories, algorithm preconditions, return iterators, and element mutation.

• STL Performance and Data-Structure Choices

  This synthesis assessment combines template reasoning, container selection, iterator-based algorithms, and complexity analysis. Learners diagnose mismatches between required behavior and chosen STL components, then compare alternatives by access, update, lookup, traversal, and invalidation costs.