CMPT 125/6 Examples

These are examples from lectures in summer 2005.

• Hello world
• Type conversions
• Lazy boolean operators
• Control structure examples: if statement, while statement, do/while statement, for statement
• User input with Scanner
• Creating a function
• A class with methods to solve quadratic equations, test code for Quadratic
• Using class library code: not imported, imported class
• Recursively reversing a string
• Recursive powers 1, Recursive powers 2
• Experimenting with arrays
• See text for implementation of linear and binary search.
• Simple class for a student, Testing Student class
• Experimenting with ArrayList
• String Formatting
• References
• Representing student records 2: Student, Course, StudentTest
• Parameters and References
• Pairs (and interfaces): Pair1: old interface (any Object), Pair2: interface with type parameter, PairTest.
• Inheritance example: parent class (A), child class (B), A/B test code.
• Shapes inheritance: Shape class, Rectangle class, Circle class stub, shapes test code.
• Files from the coffee example
• Examples of various exceptions
• Dealing with a checked exception, example minimal checked exception
• Text file outout: unbuffered output, buffered output, printing output
• Text file input: read first line from file, read file in chunks, read file in chunks with BufferedReader, sample text file
• Reading integers: read and sum integers in a file, read and sum integers with error checking, file with integers, file with integers and bad values
• Scanning tokens and regular expressions: delimiting with a literal string, delimiting with a regular expression, sample file, word input 1: with a exception, word input 2: compiled regex
• Example: Parsing an email message: email parsing attempt 1, email parsing attempt 2, sample email message 1, sample email message 2