JTS Java Topology Suite - a library for accurate 2D geometry. Supports GML.-JTS Java Topology Suite- a library for accurate 2D geometry. Supports GML.

java编程使用抽象类或借口计算三种几何图形的面积与周长，几何图形的尺寸自定-java programming using the abstract class or an excuse to calculate area and perimeter of the three geometry, the geometry of size custom