* A class to represent a triangle defined by the x- and y-coorindates of its * three corner points */ public class Triangle { // ADD YOUR INSTANCE VARIABLES HERE /** * Constructs a triangle with the given corner points * @param x1 x-value of corner point 1 @param y1 y-value of corner point 1 * @param x2 x-value of corner point 2 * @param y2 y-value of corner point 2 * @param x3 x-value of corner point 3 * @param y3 y-value of corner point 3 */ public Triangle(double x1, double y1, double x2, double y2, double x3, double y3) { // FILL IN /** * Returns the length of side 1: (x1, y1) to (x2, y2) @return the length of side 1 public double getSide1length() { return -1.0; // FIX ME } /** * Returns the length of side 2: (x1, y1) to (x3, y3) * @return the length of side 2 */ public double getside2Length() { return -1.0; // FIX ME /** * Returns the length of side 3: (x2, y2) to (x3, y3) * @return the length of side 3 */ public double getSide3Length() { return -1.0; // FIX ME } /** * Returns the angle at corner 1 (x1, y1) * @return the angle at corner 1 */ public double getAngle1() { return -1.0; // FIX ME /** * Returns the angle at corner 2 (x2, y2) * @return the angle at corner 2 */ public double getAngle2() { return -1.0; // FIX ME /** * Returns the angle at corner 3 (x3, y3) * @return the angle at corner 3 */ public double getAngle3() { return -1.0; // FIX ME } /** * Returns the perimeter of the triangle * @return the perimeter of the triangle */ public double getPerimeter() { return -1.0; // FIX ME /** * Returns the area of the triangle * @return the area of the triangle public double getArea() { return -1.0; // FIX ME }
* A class to represent a triangle defined by the x- and y-coorindates of its * three corner points */ public class Triangle { // ADD YOUR INSTANCE VARIABLES HERE /** * Constructs a triangle with the given corner points * @param x1 x-value of corner point 1 @param y1 y-value of corner point 1 * @param x2 x-value of corner point 2 * @param y2 y-value of corner point 2 * @param x3 x-value of corner point 3 * @param y3 y-value of corner point 3 */ public Triangle(double x1, double y1, double x2, double y2, double x3, double y3) { // FILL IN /** * Returns the length of side 1: (x1, y1) to (x2, y2) @return the length of side 1 public double getSide1length() { return -1.0; // FIX ME } /** * Returns the length of side 2: (x1, y1) to (x3, y3) * @return the length of side 2 */ public double getside2Length() { return -1.0; // FIX ME /** * Returns the length of side 3: (x2, y2) to (x3, y3) * @return the length of side 3 */ public double getSide3Length() { return -1.0; // FIX ME } /** * Returns the angle at corner 1 (x1, y1) * @return the angle at corner 1 */ public double getAngle1() { return -1.0; // FIX ME /** * Returns the angle at corner 2 (x2, y2) * @return the angle at corner 2 */ public double getAngle2() { return -1.0; // FIX ME /** * Returns the angle at corner 3 (x3, y3) * @return the angle at corner 3 */ public double getAngle3() { return -1.0; // FIX ME } /** * Returns the perimeter of the triangle * @return the perimeter of the triangle */ public double getPerimeter() { return -1.0; // FIX ME /** * Returns the area of the triangle * @return the area of the triangle public double getArea() { return -1.0; // FIX ME }
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career.
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The easiest way to think of a constructor in object-oriented programming (OOP) languages is:
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