AIMA3e-Java (JDK 8+) 
Java implementation of algorithms from Russell and Norvig's Artificial Intelligence - A Modern Approach 3rd Edition. You can use this in conjunction with a course on AI, or for study on your own. We're looking for solid contributors to help.
Getting Started Links
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Latest Maven Information (for integration as a third party library)
<dependency> <groupId>com.googlecode.aima-java</groupId> <artifactId>aima-core</artifactId> <version>3.0.0</version> </dependency>
Index of Implemented Algorithms
| Fig | Page | Name (in book) | Code |
|---|---|---|---|
| 2 | 34 | Environment | Environment |
| 2.1 | 35 | Agent | Agent |
| 2.3 | 36 | Table-Driven-Vacuum-Agent | TableDrivenVacuumAgent |
| 2.7 | 47 | Table-Driven-Agent | TableDrivenAgentProgram |
| 2.8 | 48 | Reflex-Vacuum-Agent | ReflexVacuumAgent |
| 2.10 | 49 | Simple-Reflex-Agent | SimpleReflexAgentProgram |
| 2.12 | 51 | Model-Based-Reflex-Agent | ModelBasedReflexAgentProgram |
| 3 | 66 | Problem | Problem |
| 3.1 | 67 | Simple-Problem-Solving-Agent | SimpleProblemSolvingAgent |
| 3.2 | 68 | Romania | SimplifiedRoadMapOfPartOfRomania |
| 3.7 | 77 | Tree-Search | TreeSearch |
| 3.7 | 77 | Graph-Search | GraphSearch |
| 3.10 | 79 | Node | Node |
| 3.11 | 82 | Breadth-First-Search | BreadthFirstSearch |
| 3.14 | 84 | Uniform-Cost-Search | UniformCostSearch |
| 3 | 85 | Depth-first Search | DepthFirstSearch |
| 3.17 | 88 | Depth-Limited-Search | DepthLimitedSearch |
| 3.18 | 89 | Iterative-Deepening-Search | IterativeDeepeningSearch |
| 3 | 90 | Bidirectional search | BidirectionalSearch |
| 3 | 92 | Best-First search | BestFirstSearch |
| 3 | 92 | Greedy best-First search | GreedyBestFirstSearch |
| 3 | 93 | A* Search | AStarSearch |
| 3.26 | 99 | Recursive-Best-First-Search | RecursiveBestFirstSearch |
| 4.2 | 122 | Hill-Climbing | HillClimbingSearch |
| 4.5 | 126 | Simulated-Annealing | SimulatedAnnealingSearch |
| 4.8 | 129 | Genetic-Algorithm | GeneticAlgorithm |
| 4.11 | 136 | And-Or-Graph-Search | AndOrSearch |
| 4 | 147 | Online search problem | OnlineSearchProblem |
| 4.21 | 150 | Online-DFS-Agent | OnlineDFSAgent |
| 4.24 | 152 | LRTA*-Agent | LRTAStarAgent |
| 5.3 | 166 | Minimax-Decision | MinimaxSearch |
| 5.7 | 170 | Alpha-Beta-Search | AlphaBetaSearch |
| 6 | 202 | CSP | CSP |
| 6.1 | 204 | Map CSP | MapCSP |
| 6.3 | 209 | AC-3 | AC3Strategy |
| 6.5 | 215 | Backtracking-Search | AbstractBacktrackingSolver |
| 6.8 | 221 | Min-Conflicts | MinConflictsSolver |
| 6.11 | 224 | Tree-CSP-Solver | TreeCspSolver |
| 7 | 235 | Knowledge Base | KnowledgeBase |
| 7.1 | 236 | KB-Agent | KBAgent |
| 7.7 | 244 | Propositional-Logic-Sentence | Sentence |
| 7.10 | 248 | TT-Entails | TTEntails |
| 7 | 253 | Convert-to-CNF | ConvertToCNF |
| 7.12 | 255 | PL-Resolution | PLResolution |
| 7.15 | 258 | PL-FC-Entails? | PLFCEntails |
| 7.17 | 261 | DPLL-Satisfiable? | DPLLSatisfiable |
| 7.18 | 263 | WalkSAT | WalkSAT |
| 7.20 | 270 | Hybrid-Wumpus-Agent | HybridWumpusAgent |
| 7.22 | 272 | SATPlan | SATPlan |
| 9 | 323 | Subst | SubstVisitor |
| 9.1 | 328 | Unify | Unifier |
| 9.3 | 332 | FOL-FC-Ask | FOLFCAsk |
| 9.3 | 332 | FOL-BC-Ask | FOLBCAsk |
| 9 | 345 | CNF | CNFConverter |
| 9 | 347 | Resolution | FOLTFMResolution |
| 9 | 354 | Demodulation | Demodulation |
| 9 | 354 | Paramodulation | Paramodulation |
| 9 | 345 | Subsumption | SubsumptionElimination |
| 10.9 | 383 | Graphplan | --- |
| 11.5 | 409 | Hierarchical-Search | --- |
| 11.8 | 414 | Angelic-Search | --- |
| 13.1 | 484 | DT-Agent | --- |
| 13 | 484 | Probability-Model | ProbabilityModel |
| 13 | 487 | Probability-Distribution | ProbabilityDistribution |
| 13 | 490 | Full-Joint-Distribution | FullJointDistributionModel |
| 14 | 510 | Bayesian Network | BayesianNetwork |
| 14.9 | 525 | Enumeration-Ask | EnumerationAsk |
| 14.11 | 528 | Elimination-Ask | EliminationAsk |
| 14.13 | 531 | Prior-Sample | PriorSample |
| 14.14 | 533 | Rejection-Sampling | RejectionSampling |
| 14.15 | 534 | Likelihood-Weighting | LikelihoodWeighting |
| 14.16 | 537 | GIBBS-Ask | GibbsAsk |
| 15.4 | 576 | Forward-Backward | ForwardBackward |
| 15 | 578 | Hidden Markov Model | HiddenMarkovModel |
| 15.6 | 580 | Fixed-Lag-Smoothing | FixedLagSmoothing |
| 15 | 590 | Dynamic Bayesian Network | DynamicBayesianNetwork |
| 15.17 | 598 | Particle-Filtering | ParticleFiltering |
| 16.9 | 632 | Information-Gathering-Agent | --- |
| 17 | 647 | Markov Decision Process | MarkovDecisionProcess |
| 17.4 | 653 | Value-Iteration | ValueIteration |
| 17.7 | 657 | Policy-Iteration | PolicyIteration |
| 17.9 | 663 | POMDP-Value-Iteration | --- |
| 18.5 | 702 | Decision-Tree-Learning | DecisionTreeLearner |
| 18.8 | 710 | Cross-Validation-Wrapper | --- |
| 18.11 | 717 | Decision-List-Learning | DecisionListLearner |
| 18.24 | 734 | Back-Prop-Learning | BackPropLearning |
| 18.34 | 751 | AdaBoost | AdaBoostLearner |
| 19.2 | 771 | Current-Best-Learning | --- |
| 19.3 | 773 | Version-Space-Learning | --- |
| 19.8 | 786 | Minimal-Consistent-Det | --- |
| 19.12 | 793 | FOIL | --- |
| 21.2 | 834 | Passive-ADP-Agent | PassiveADPAgent |
| 21.4 | 837 | Passive-TD-Agent | PassiveTDAgent |
| 21.8 | 844 | Q-Learning-Agent | QLearningAgent |
| 22.1 | 871 | HITS | HITS |
| 23.5 | 894 | CYK-Parse | CYK |
| 25.9 | 982 | Monte-Carlo-Localization | MonteCarloLocalization |