Write a class called line that represents a line segment between two points. your line objects should have the following methods: public line(point p1, point p2) constructs a new line that contains the given two points. public point getp1() returns this line's first endpoint. public point getp2() returns this line's second endpoint. public string tostring() returns a string representation of this line, such as "[(22, 3), (4, 7)]". write a complete program to check your work. submit line, and client class .java files.

We can draw lines by using Java Swing. Below is the full example.

Explanation:

Explanation of Below code is in comment, line starts with //.

import java.awt.*;

import javax.swing.*;

//Creating Point class which will hold point data

class Point {

   public int x;

   public int y;

}

//MyCanvas is the class used to draw the line

class MyCanvas extends JComponent {

  //Declaring 2 points variable

   Point p1;

   Point p2;

  // Creating Getter and Setter for above 2 variables

   public Point getP1() {

       return p1;

   }

   public void setP1(Point p1) {

       this.p1 = p1;

   }

   public Point getP2() {

       return p2;

   }

   public void setP2(Point p2) {

       this.p2 = p2;

   }

  //When canvas load, it will call this method and draw a line

   public void paint(Graphics g)

   {

      // draw and display the line

       g.drawLine(p1.x, p1.y, p2.x, p2.y);

   }

  //toString method to show the points data

   @Override

   public String toString() {

       return "[(" +

               p1.x+","+p1.y+")," +

               "("+p2.x+","+p2.y+")]";

   }

}

//This class will start the program and initialize canvas class

//to draw new line on canvas

public class DrawLine {

   public static void main(String[] a)

   {

      // creating object of JFrame

       JFrame window = new JFrame();

       // Operation when window closes

       window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

       // setting size of window

       window.setBounds(30, 30, 200, 200);

       // Creating instance of MyCanvas class

       MyCanvas canvas = new MyCanvas();

      // Adding two points in MyCanvas object with its Setter method

       Point p1 = new Point();

       p1.x=10;

       p1.y=10;

       Point p2 = new Point();

       p2.x=40;

       p2.y=40;

       canvas.setP1(p1);

       canvas.setP2(p2);

      // setting canvas to draw new line

       window.getContentPane().add(canvas);

      // visibility to true

       window.setVisible(true);

       //calling toString method to show two point values

       System.out.println(canvas.toString());

   }

}