AP CSA Java Basics: Getting Started

AP Computer Science A Learning Objectives Explored in this Section
  • Java Primitive Types: int, double, boolean
  • Text output using System.out.print and System.out.println
  • Declaring and using variables and constants
  • Sequential and conditional execution
  • Evaluating numeric and Boolean expressions
  • Iteration using for and while loops
  • Developing appropriate test cases, including boundary cases
  • Error categories and techniques for identifying and correcting errors
  • Representation of non-negative integers in different bases
  • Implications of finite integer bounds

In-Class Documents and Lab Files

Cloud9 IDE Setup 01 Cloud9 Setup Instructions and Linux Terminal Command Quick Reference 
Notes: How Java Works 01 Process to create a Java program, Intro to the main method, and overview of the HelloWorld program  
Notes: Java Types and Variables 02 Primitive Types, Creating and Naming Variables, Intro to Strings and Constants 
Notes: Java Operators 02 Operators in Java, Mixed-Mode Arithmetic, Casting, and String Concatenation 
Notes: Assignment in Java 02 How assignment works in Java 
Programming Exercise: Paint.java 03 Java start file for the Paint program. Instructions are in the form of comments in the code 
Programming Exercise: Quadratic Formula Root Finder 04 Exercise Description 
Programming Exercise: Interest Calculator 04 Exercise Description 
Notes: Conditional Statements 05 Introduction to if, if-else, and if-else if-else statements 
Programming Exercise: BMR Calculator 06 Exercise Description 
Java Basics Review Sheet 08 Review Questions 
Java Basics Review Solutions 08 Solutions to the Java Basics Review Sheet 
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