public class Trapezoid {
public double y1 ;
public double x11 ;
public double x21 ;
public double y2 ;
public double x12 ;
public double x22 ;
}

public double y1 ;
public double x11 ;
public double x21 ;
public double y2 ;
public double x12 ;
public double x22 ;
Created by Valadoc