Java Programming Cheatsheet

5/20/11 11:15 AMJava Programming Cheatsheet

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APPENDIX D: JAVA PROGRAMMING CHEATSHEET

This appendix summarizes the most commonly-used Java languagefeatures in the textbook. Here are the APIs of the most commonlibraries.

Hello, World.

Editing, compiling, and executing.

Built-in data types.

Declaration and assignment statements.

INTRO TO PROGRAMMING

1. Elements ofProgramming

2. Functions

3. OOP

4. Data Structures

INTRO TO CS0. Prologue

5. A Computing Machine

6. Building a Computer

7. Theory of Computation

8. Systems

9. Scientific Computation

ALGORITHMS, 4TH EDITION

WEB RESOURCES

FAQ

Data

Code

Errata

Appendices

Lecture Slides

Programming Assignments

http://introcs.cs.princeton.edu/home

http://introcs.cs.princeton.edu/11cheatsheet/api.pdf


http://introcs.cs.princeton.edu/10elements

http://introcs.cs.princeton.edu/20functions

http://introcs.cs.princeton.edu/30oop

http://introcs.cs.princeton.edu/40algorithms

http://introcs.cs.princeton.edu/cs

http://introcs.cs.princeton.edu/00prologue

http://introcs.cs.princeton.edu/50machine

http://introcs.cs.princeton.edu/60circuits

http://introcs.cs.princeton.edu/70theory

http://introcs.cs.princeton.edu/80systems

http://introcs.cs.princeton.edu/90scientific

http://algs4.cs.princeton.edu/

http://algs4.cs.princeton.edu/


http://introcs.cs.princeton.edu/faq

http://introcs.cs.princeton.edu/data

http://introcs.cs.princeton.edu/code

http://introcs.cs.princeton.edu/errata

http://introcs.cs.princeton.edu/11appendix

http://introcs.cs.princeton.edu/lectures

http://introcs.cs.princeton.edu/assignments



Integers.

Floating-point numbers.

Booleans.



Comparison operators.

Parsing command-line arguments.

Math library.



The full Math API.

Type conversion.

If and if-else statements.

http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Math.html



Nested if-else statement.

While and for loops.



Break statement.

Do-while loop.

Switch statement.

Arrays.



Compile-time initialization.

Typical array-processing code.

Two-dimensional arrays.



Compile-time initialization.

Ragged arrays.

Our standard output library.

The full StdOut API.

http://introcs.cs.princeton.edu/stdlib/javadoc/StdOut.html



Our standard input library.

The full StdIn API.

Our standard drawing library.

http://introcs.cs.princeton.edu/stdlib/javadoc/StdIn.html



The full StdDraw API.

Our standard audio library.

The full StdAudio API.

Redirection and piping.

http://introcs.cs.princeton.edu/stdlib/javadoc/StdDraw.html

http://introcs.cs.princeton.edu/stdlib/javadoc/StdAudio.html



Functions.



Libraries of functions.



Our standard random library.

Our standard statistics library.

Using an object.



Creating an object.

Instance variables.

Constructors.

Instance methods.

Classes.



Object-oriented libraries.



Java's String data type.

The full String API.

http://java.sun.com/j2se/1.6.0/docs/api/java/lang/String.html



Java's Color data type.

The full Color API.

Our input library.

The full In API.

Our output library.

http://java.sun.com/j2se/1.6.0/docs/api/java/awt/Color.html

http://introcs.cs.princeton.edu/stdlib/javadoc/In.html



The full Out API.

Our picture library.

The full Picture API.

Compile-time and run-time errors. Here's a list of errorscompiled by Mordechai Ben-Ari. It includes a list of common errormessage and typical mistakes that give rise to them.

Copyright © 2000–2011 by Robert Sedgewick and Kevin Wayne. All rights reserved.

http://introcs.cs.princeton.edu/stdlib/javadoc/Out.html

http://introcs.cs.princeton.edu/stdlib/javadoc/Picture.html

http://introcs.cs.princeton.edu/11cheatsheet/errors.pdf

Java Programming Cheatsheet

Documents

standard output library

math library

standard audio library

standard statistics

standard drawing library

color api

math api

string api