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Category > Computer Science Posted 22 Dec 2017 My Price 10.00

Documentsintrotoprogramming>javac Polygon.java

I have an assignment to write a java class and then a tester. I have attached the home assignment and my 2 programs when I compile the Polygon.java program I don't get any errors, but when I compile the TestPolygon.java program I get the following error:

 

 

C:UserskarisDocumentsintrotoprogramming>javac Polygon.java

 

C:UserskarisDocumentsintrotoprogramming>javac TestPolygon.java

TestPolygon.java:8: error: class, interface, or enum expected

Public class TestPolygon

^

TestPolygon.java:11: error: <identifier> expected

    Public static void main(String[] args)

       ^

2 errors

 

 

I don't know what is causing the errors.

  • /*
    * File: TestPolygon.java
    * Author: Karisa Frazier
    * Date: April, 8 2017
    * Purpose: This Program tests the class Poloygon
    */

    Public class TestPolygon
    {
       
        Public static void main(String[] args)
        {
     
        //Default Polygon
        Polygon p1 = new Polygon();
       
        //Specified Polygon
        Polygon p2 = new Polygon(5, 4.0, 0.0, 0.0, 2.0, 20.0);
        Polygon p3 = new Polygon(6, 2.0, 1.0, 1.0, 4.0, 12.0);
        Polygon p4 = new Polygon(8, 2.0, 0.0, 1.0, 5.0, 16.0);
        Polygon p5 = new Polygon(3, 5.0, 0.0, 0.0, 3.0, 15.0);
       
        //Call getter methods
        int p1NumSides = p1.getNumSides();
        double p1SideLength = p1.getSideLength();
        double p1XCoord = p1.getXCoord();
        double p1YCoord = p1.getYCoord();
        double p1Apothem = p1.getApothem();
        double p1Perimeter = p1.getPerimeter();
        double p1Area = p1.getArea();
       
        //Print Default
        System.out.println ("Default Polygon");
        System.out.println("toString():" +P1);
        System.out.println("getNumSides(): "+ p1.NumSides());
        System.out.println("getSideLength(): "+ p1.SideLength());
        System.out.println("getXCoord(): "+ p1.XCoord());
        System.out.println("getYCoord(): "+ p1.YCoord());
        System.out.println("getPerimeter(): "+ p1.Apothem());
        System.out.println("getApothem(): "+ p1.Perimeter());
        System.out.println("getArea(): "+ p1.Area());
       
        //Call getter methods
        int p2NumSides = p2.getNumSides();
        double p2SideLength = p2.getSideLength();
        double p2XCoord = p2.getXCoord();
        double p2YCoord = p2.getYCoord();
        double p2Apothem = p2.getApothem();
        double p2Perimeter = p2.getPerimeter();
        double p2Area = p2.getArea();
       
        //Print 2nd Poloygon
        System.out.println ("2nd Polygon");
        System.out.println("toString():" +p2);
        System.out.println("getNumSides(): "+ p2.NumSides());
        System.out.println("getSideLength(): "+ p2.SideLength());
        System.out.println("getXCoord(): "+ p2.XCoord());
        System.out.println("getYCoord(): "+ p2.YCoord());
        System.out.println("getPerimeter(): "+ p2.Apothem());
        System.out.println("getApothem(): "+ p2.Perimeter());
        System.out.println("getArea(): "+ p2.Area());
       
        //Call getter methods
        int p3NumSides = p3.getNumSides();
        double p3SideLength = p3.getSideLength();
        double p3XCoord = p3.getXCoord();
        double p3YCoord = p3.getYCoord();
        double p3Apothem = p3.getApothem();
        double p3Perimeter = p3.getPerimeter();
        double p3Area = p3.getArea();
       
        //Print 3rd Poloygon
        System.out.println ("3rd Polygon");
        System.out.println("toString():" +p3);
        System.out.println("getNumSides(): "+ p3.NumSides());
        System.out.println("getSideLength(): "+ p3.SideLength());
        System.out.println("getXCoord(): "+ p3.XCoord());
        System.out.println("getYCoord(): "+ p3.YCoord());
        System.out.println("getPerimeter(): "+ p3.Apothem());
        System.out.println("getApothem(): "+ p3.Perimeter());
        System.out.println("getArea(): "+ p3.Area());
       
        //Call getter methods
        int p4NumSides = p4.getNumSides();
        double p4SideLength = p4.getSideLength();
        double p4XCoord = p4.getXCoord();
        double p4YCoord = p4.getYCoord();
        double p4Apothem = p4.getApothem();
        double p4Perimeter = p4.getPerimeter();
        double p4Area = p4.getArea();
       
        //Print 4th Poloygon
        System.out.println ("4th Polygon");
        System.out.println("toString():" +p4);
        System.out.println("getNumSides(): "+ p4.NumSides());
        System.out.println("getSideLength(): "+ p4.SideLength());
        System.out.println("getXCoord(): "+ p4.XCoord());
        System.out.println("getYCoord(): "+ p4.YCoord());
        System.out.println("getPerimeter(): "+ p4.Apothem());
        System.out.println("getApothem(): "+ p4.Perimeter());
        System.out.println("getArea(): "+ p4.Area());
       
        //Call getter methods
        int p5NumSides = p5.getNumSides();
        double p5SideLength = p5.getSideLength();
        double p5XCoord = p5.getXCoord();
        double p5YCoord = p5.getYCoord();
        double p5Apothem = p5.getApothem();
        double p5Perimeter = p5.getPerimeter();
        double p5Area = p5.getArea();
       
        //Print 5th Poloygon
        System.out.println ("5th Polygon");
        System.out.println("toString():" +p5);
        System.out.println("getNumSides(): "+ p5.NumSides());
        System.out.println("getSideLength(): "+ p5.SideLength());
        System.out.println("getXCoord(): "+ p5.XCoord());
        System.out.println("getYCoord(): "+ p5.YCoord());
        System.out.println("getPerimeter(): "+ p5.Apothem());
        System.out.println("getApothem(): "+ p5.Perimeter());
        System.out.println("getArea(): "+ p5.Area());
       
        // Display the values using toString
        System.out.println(p1.toString());
        System.out.println(p2.toString());
        System.out.println(p3.toString());
        System.out.println(p4.toString());
        System.out.println(p5.toString());

        }/*
    * File: Polygon.java
    * Author: Karisa Frazier
    * Date: April, 8 2017
    * Purpose: This program creates a polygon
    */
    public class Polygon{
        // Variables
        private int numSides;
        private double sideLength;
        private double xCoord;
        private double yCoord;
        private double apothem;
        private double perimeter;

        // Default Constructor
        public Polygon(){
            numSides = 4;
            sideLength = 5.0;
            xCoord = 0.0;
            yCoord = 0.0;
            apothem = 5.0;
            perimeter = 20.0;
        }
       
        // No Argument Constructor
         public Polygon(int numSides, double sideLength, double xCoord, double yCoord, double apothem){
           this.apothem = apothem;
           this.numSides = numSides;
           this.sideLength = sideLength;
           this.xCoord = xCoord;
           this.yCoord = yCoord;
        }

        //Setters
        public void setNumSides(int numSides) {
           this.numSides = numSides;
        }
        public void setSideLength(double sideLength) {
           this.sideLength = sideLength;
        }
       public void setxCoord(double xCoord) {
           this.xCoord = xCoord;
        }
       public void setyCoord(double yCoord) {
           this.yCoord = yCoord;
        }
       public void setApothem(double apothem) {
           this.apothem = apothem;
        }
       public void setPerimeter(double perimeter) {
           this.perimeter = perimeter;
        }
       
        //Getters
       
        //Getter for area calculation
        public double getArea(){
           return (apothem * perimeter)/2;
       }
        public int getNumSides() {
           return numSides;
       }
        public double getSideLength() {
           return sideLength;
       }
        public double getxCoord() {
           return xCoord;
        }
        public double getyCoord() {
           return yCoord;
        }
        public double getApothem() {
           return apothem;
        }
        public double getPerimeter() {
           return perimeter;
        }
        public String toString(){
           return "Number of sides: " +getNumSides()+ " Side Length: " +getSideLength()+ " X-coordinate: "+getxCoord()+" Y-coordinate: "+getyCoord()+" Apothem: "+getApothem();
       }
     
    }
    }

Answers

SophiaPretty
(5)
Status NEW Posted 22 Dec 2017 12:12 PM My Price 10.00

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