💻Computer Science A

AP CS A — Java-based programming course. Object-oriented design, primitives & classes, control flow, arrays & ArrayList, 2D arrays, inheritance, recursion. Equivalent to first-semester university CS.

Topics

• 2D ArraysMaster 2D array declaration, row-major traversal, common operations (sum, search, reflection), bound…
• ArrayArray — array declaration, traversal with for and enhanced for loops, finding min/max, search and re…
• ArrayListMaster ArrayList for the AP CS A exam: learn creation syntax, core methods, differences from standar…
• Boolean Expressions and If StatementsMaster Boolean expressions, operators, short-circuit evaluation, De Morgan's laws and equivalent exp…
• InheritanceMaster superclasses, subclasses, method overriding, polymorphism, and abstract classes for your AP C…
• IterationMaster while, for, do-while loops, nested loops, counter patterns, manual tracing, and off-by-one er…
• Primitive TypesMaster core primitive data types, type casting, operator precedence, integer division, and compound…
• RecursionMaster recursion for the AP Computer Science A (AP Computer Science A) exam: learn base and recursiv…
• Using ObjectsUsing Objects — class instantiation, object methods, String class, math class, and reference vs prim…
• Writing ClassesMaster writing Java classes for AP Computer Science A (AP Computer Science A): learn class anatomy,…