Software¶

For this class, students are not required to install any software. However, students can optionally install software to work locally; for more information, refer to software setup.

For other course technology, see course tools.

Useful CSE 121 Resources¶

• CSE 121 Code Quality Guide
• CSE 121 Commenting Guide
• Tips for Testing
• Tips for Success at UW
• Java Cheat Sheet
• Practice-It
• Ed Shortcuts

Section Cheatsheets¶

1. Java Basics and Printing: structure of a Java program, printing, comments
2. Data Types, Expressions, and Operators: escape sequences, data types, expressions, arithmetic operators, relational operators, logical operators
3. Variables, Strings, Debugging: variables, indexing strings and characters, string methods, debugging
4. For Loops: for loop syntax, control flow
5. Nested For Loops and Random: nested for loops, random methods, fenceposting
6. Methods, Class Constants, and Parameters: methods, class constants, and parameters
7. Returns and the Math class: math class, returns
8. Relational/Logical Operators and Conditionals: relational/logical operator review, if, else if, and else statements
9. While Loops, User Input, and Scanner: while loops, user input, scanner, fenceposting (again!)
10. Arrays: syntax, initialization, access, updating
11. 2D Arrays: syntax, initialization, access, updating, patterns

Learning Java¶

• 12x Java Tutorial: a guide to learning Java using other languages as example.
• Building Java Programs: optional course textbook.
• Learn Java in Y Minutes: another guide to learning Java for those who have programmed in a different language.