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Library AP Computer Science A Unit 3: Class Creation
⁂   AP Computer Science A · Unit 3

3. Class Creation

10–18% of the AP exam. Key topics: Writing class headers, Instance variables with private access modifier, Access modifiers: public and private, Writing default and parameterized constructors, Writing instance methods: getters, setters, and behavior methods, static vs. instance context and scope, The this keyword, Implementing toString() and equals() methods, Method overloading, Constructor headers and method headers.

10–18% exam weight standard track

Unit 3: Class Creation

Study guide content for this unit is being prepared. Check back soon for complete lesson notes, formula sheets, and worked examples.

Topics in this unit

  • Writing class headers
  • Instance variables with private access modifier
  • Access modifiers: public and private
  • Writing default and parameterized constructors
  • Writing instance methods: getters, setters, and behavior methods
  • static vs. instance context and scope
  • The this keyword
  • Implementing toString() and equals() methods
  • Method overloading
  • Constructor headers and method headers