# Java Programming Examples on Computational Geometry Problems & Algorithms

This section covers Java Programming Examples on Computational Geometry Problems & Algorithms. Every example program includes the description of the program, Java code as well as output of the program. Here is the listing of Java programming examples:

**1. Java Programming examples on “Robust Geometric Primitives”**

Java Program to Apply Above-Below-on Test to Find the Position of a Point with respect to a Line Java Program to Compute the Area of a Triangle Using Determinants Java Program to Compute the Volume of a Tetrahedron Using Determinants Java Program to Find the Area of any Polygon Using Triangulation Java Program to Implement Slicker Algorithm that avoids Triangulation to Find Area of a Polygon Java Program to Use Above Below Primitive to Test Whether Two Lines Intersect Java Program to Check if a Point d lies Inside or Outside a Circle Defined by Points a, b, c in a Plane Java Program to Apply Delaunay Triangulation Algorithm Java Program to Solve the Directed Segment Problem Java Program to Solve the Directed Segment Problem Java Program to Compute Cross Product of Two Vectors |

**2. Java Programming examples on “Convex Hull”**

Java Program to Implement Graham Scan Algorithm to Find the Convex Hull Java Program to Implement Gift Wrapping Algorithm in Two Dimensions Java Program to Implement Jarvis March to Find the Convex Hull Java Program to Implement Quick Hull Algorithm to Find Convex Hull Java Program to Implement Chan’s Algorithm Java Program to Implement Incremental Method to Find the Convex Hull Java Program to Implement Divide and Conquer Method to Find the Convex Hull Java Program to Implement Prune and Search Method to Find the Convex Hull |

**3. Java Programming examples on “Triangulation”**

Java Program to Triangulate by Adding to the Convex-Hull Diagonals from the First Point to All of the Others Java Program to Implement Delaunay Triangulation to Perform Triangulation Java Program to Implement “Triangle” by Jonathan Shewchuk Java Program to Implement Fortune’s Sweep2 Code Java Program to Implement Flip Algorithm for Non-Delaunay Triangles Java Program to Use SweepHull for Fast Delaunay Triangulation |

**4. Java Programming examples on “Voronoi Diagrams”**

Java Program to Implement Voronoi Diagram Using Fortune’s Algorithm Java Program to Implement Voronoi Diagram Using Divide and Conquer Algorithm Java Program to Implement Lloyd’s Algorithm Java Program to Implement Voronoi Diagram Problem Using Graphs Java Program to Implement Bowyer-Watson Algorithm |

**5. Java Programming examples on “Nearest Neighbor Search”**

Java Program to Find the Nearest Neighbour Using K-D Tree Search Java Program to Find Nearest Neighbour Using Voronoi Diagram Java Program to Find Nearest Neighbour for Static Data Set Java Program to Find Nearest Neighbour for Dynamic Data Set Java Program to Find Nearest Neighbour Using Linear Search |

**6. Java Programming examples on “Range Search”**

Java Program to Construct K-D Tree for 2 Dimensional Data (assume static data) Java Program to Perform Insertion in a 2 Dimension K-D Tree Java Program to Perform Searching in a 2-Dimension K-D Tree Java Program to Find the Node with Minimum Value (with respect to that cutting Dimension) for a Given Node, and a Cutting Dimension Java Program to Perform Deletion in K-D Tree Java Program to Perform 3-Dimensional Range Query Java Program to Perform 1-Dimensional Range Query Java Program to Perform Range Query in 2-Dimension Java Program to Perform Dynamic Range Searching where Data is Dynamically Inserted or Deleted Java Program to Perform Partial Key Search in a K-D Tree |

**7. Java Programming examples on “Point Location”**

Java Program to Check Whether a Given Point is in a Given Polygon Java Program to Find Location of a Point by Triangulation of the Given Polygon Java Program to Find Location of a Point by Constructing K*K Grid on a Given Polygon Java Program to Find Location of a Point Placed in Three Dimensions Using K-D Trees Java Program to Find the Point Location Using Slab Method Java Program to Find Location of a Point by Trapezoidal Decomposition |

**8. Java Programming examples on “Intersection Detection”**

Java Program to Perform Sphere Sphere Intersection Testing Java Program to Perform Interval-Interval Intersection Testing Java Program to Perform AABB-AABB Intersection Testing Java Program to Perform Sphere-AABB Intersection Testing Java Program to Perform Ray-Sphere Intersection Testing Java Program to Find Ray-Polygon Intersection Point Java Program to Perform Polygon Containment Test Java Program to Perform Brute Force Collision Detection Java Program to Check Visibility of a Point X to Y Java Program to Implement Plane Sweep Algorithms for Intersection of Lines |

**9. Java Programming examples on “Bin Packing “**

Java Program to Implement First Fit Decreasing for 1-D Objects and M Bins Java Program to Implement First Fit Decreasing for 1-D Objects Using Binary Tree Java Program to Find the Minimum Area of a Rectangle to Fit N Rectangles of Different Sizes |

**10. Java Programming examples on “Polygon Partitioning”**

Java Program to Implement Hertel-Mehlhorn Heuristic for Convex Decomposition Using Diagonals Java Program to Delete All Lines from a Polygon such that it becomes a Convex Polygon Java Program to Perform Triangulation to Partition the Polygon in Triangles Java Program to Perform Optimal Convex Partitioning Using Dynamic Programming |

**11. Java Programming examples on “Simplifying Polygons”**

Java Program for Douglas-Peucker Algorithm Implementation Java Program to Implement Chazelle’s Linear time Triangulation Algorithm |

**12. Java Programming examples on “Shape Similarity”**

Java Program to Perform Housdorff based Image Comparison |

**13. Java Programming examples on “Motion Planning”**

Java Program to Construct a Visibility Graph of the Polygonal Obstacles Java Program to Find a Set of Legal Configuration Space Points by Randon Sampling |

**14. Java Programming examples on “Maintaining Line Arrangements”**

Java Program to Perform Degeneracy Testing on a Set of n Lines Java Program to Perform Insertion in a Line Arrangement Java Program to Construct a Full Arrangement of n Lines Java Program to Perform Intersection Detection of Line Arrangement Java Program to Find a Point P that Satisfies Maximum Number of such Constraints for a Given Set of Constraints of type y<ax+b Java Program to Show the Duality Transformation of Line and Point Java Program to Check if a Given Set of Three Points Lie on a Single Line or Not Java Program to Implement Sweepline Algorithm Java Program to Implement Bresenham Line Algorithm |

If you want to learn implementations of all algorithms and programs in Java,

**Here’s the list of 1000 Java Algorithms, Problems & Programming Examples.**