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Rasek [7]
3 years ago
8

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)]"
Computers and Technology
1 answer:
mel-nik [20]3 years ago
4 0

Answer:

import java.awt.Point;

public class Line{

private Point point1, point2;

public Line(Point p1, Point p2){

point1 = p1;

point2 = p2;

}

public Point getP1(){

return point1;

}

public Point getP2(){

return point2;

}

public String toString(){

return "[( The " + point1.x + "," + point1.y + "), (" + point2.x + "," + point2.y +")]";

}

public static void main(String args[]){

Line lineObj = new Line(new Point(7,9), new Point(6,2));

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

}

}

Explanation:

  • Declare the points inside the class Line.
  • Initialize the getters and setters method for the class.
  • Define a toString method that returns the information in a formatted manner.
  • Inside the main method, initialize an object with some values.
  • Display the information by calling the toString method.
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Table:

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BOOKS table contains field like title of the books, so this will help in finding which book titles have been purchased.

CUSTOMERS table keeps information about customers that purchasing an ordering the books. The customerno uniquely identifies each customer so that the order information can be found using the customerno of a specific customer.

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Explanation:

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Write a method called classAttendence() that creates a 10-by-10 two-dimensional array and asks for user input to populate it wit
gladu [14]

Answer:

The method written in Java is as follows:

public static void classAttendance(){

   Scanner input = new Scanner(System.in);

   String[][] names = new String[10][10];

   for(int i =0;i<10;i++){

    for(int j =0;j<10;j++){

       System.out.print("Student Name: "+(i+1)+" , "+(j+1)+": ");

       names[i][j] = input.nextLine();        

    }  

   }

}

Explanation:

This defines the classAttendance() method

public static void classAttendance(){

   Scanner input = new Scanner(System.in);

This declares the 2D array of 10 by 10 dimension as string

   String[][] names = new String[10][10];

This iterates through the rows of the array

   for(int i =0;i<10;i++){

This iterates through the columns of the array

    for(int j =0;j<10;j++){

This prompts user for student name

       System.out.print("Student Name: "+(i+1)+" , "+(j+1)+": ");

This gets the student name from the user

       names[i][j] = input.nextLine();        

    }  

   }

The method ends here

}

<em>See attachment for complete program that include main method</em>

Download txt
6 0
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