AP Computer Science A

Java foundation: algorithmic thinking, compiler logic, and program structure.

IDE setup, Java "Golden Rules", and advanced output formatting.

Variables, primitive types, assignment flow, and the first steps into keyboard input.

A guided lab on hero stats, Scanner input, and testing different values in code.

Type casting, integer overflow, round-off error, and compound assignment operators.

A practice session on casting, overflow, compound operators, and a money conversion challenge.

Method signatures, API habits, built-in Java tools, and the core methods in the Math class.

A guided lab on method signatures, Math return values, and building random integer ranges.

A first look at classes, objects, reference variables, String methods, and immutability.

A coding lab on String creation, instance methods, return values, and null vs empty.

A full wrap-up on Unit 1 skills, common traps, and the transition into the next unit.