Java Quick Reference Accessible methods from the Java library that may be included in the exam Class Constructors and Methods Explanation String Class
ap computer science a java quick reference
class java lang String • int length() • String substring(int from, int to) // returns the substring beginning at from // and ending at to-1 • String substring(int from)
ap computer science a java quick reference
AP Computer Science – Cram Sheet • System out println – don't abbreviate as SOP • No user input – never write in nextLine() , in nextInt() , etc • Don't make up
AP Cram Sheet
Computer Science Principles does not designate any particular programming language, this reference sheet provides instructions and explanations to help
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THE JAVA LANGUAGE CHEAT SHEET java lang String Methods //Operator +, e g “fat”+”cat” -> “fatcat” boolean Map: Pairs where keys are unique
JavaCheatSheet
CHEAT SHEET Constructing Map counts = new TreeMap< String, Integer>(); true if the map contains a mapping for the given key get(key)
cheat sheet
Always provide/allow the AP Java Quick Reference Move from open-note (see “ Tricky Code Cheat Sheet”) to closed-note The AP exam has 40 multiple choice
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Appendix A — AB Exam Java Quick Reference Accessible Methods from the Java Library That May Be Included on the Exam class java lang Object • boolean
ap comp sci ab quick reference
My compromise of 0 5 was rejected without, I thought, proper consideration " - S Kelly-Bootle AP Computer Science Arrays in Java 2
ArraysAndArrayList Up
Java Quick Reference. Accessible methods from the Java library that may be included in the exam. Class Constructors and Methods. Explanation. String Class.
The code in block of statements is executed once for each assignment of item. AP Computer Science Principles Exam Reference Sheet. V.1
AP Computer Science – Cram Sheet. • System.out.println – don't abbreviate as SOP. • No user input – never write in.nextLine() in.nextInt()
The AP Java subset uses the “raw” Comparable interface not the generic Comparable<T> interface. -A1-. Page 4. Appendix A. AB Java Quick Reference.
On your AP exam 5–7.5% of questions will cover the topic Using Objects. As mentioned
Appendix A. Java Quick Reference. -A1-. Appendix A — Java Quick Reference The implementation of this class is testable on the AP CS A and AB Exams.
THIS PAGE IS INTENTIONALLY LEFT BLANK. Page 18. AP CSP Exam. Reference. Sheet. AP COMPUTER SCIENCE PRINCIPLES
Teachers can print out the individual page in order to update their printed CED binders. • The Java Quick Reference sheet (p. 209) was updated. The “Math class”
THIS PAGE IS INTENTIONALLY LEFT BLANK. Page 18. AP CSP Exam. Reference. Sheet. AP COMPUTER SCIENCE PRINCIPLES
205 APPENDIX 1: AP CSP Exam Reference Sheet. 213 APPENDIX 2: AP CSP Conceptual Becky Coutts Director
AP Computer Science A Java Quick Reference