A course on advanced object-oriented design and programming

A set of exercises concerning dynamic binding, internal classes, design by contract, iterators and foreach loop, JFC, equality between objects and much more.

Fluent Design Contracts for Java Projects

Specification of Extended Binary Search Tree project using the design by contract paradigm.

Java unit-testing assertions to assist a Design By Contract style of programming

A Smart Contract Language based on design by contract and Event-B

Library to apply Design By Contract on plain Java projects

Design by contract extension to Java using annotations and bytecode injection

A simple, fast and light-weight validation tool to express pre- and post-conditions in your java code

A dynamic, interpreted and impurely functional programming language with testing and design-by-contract features.