Are there obvious improvements that could be made here with respect the software design for Squares and Circles? What programming constructs were you familiar with, and which did you need to look up? Assume we used a separate array for Squares and for Circles rather than one unifying Object array. How would this complicate the task of adding a new Shape (say, a Triangle) to our ObjectList class?
Are there obvious improvements that could be made here with respect the software design for Squares and Circles? What programming constructs were you familiar with, and which did you need to look up? Assume we used a separate array for Squares and for Circles rather than one unifying Object array. How would this complicate the task of adding a new Shape (say, a Triangle) to our ObjectList class?
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
Problem 1PE
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Question
- Are there obvious improvements that could be made here with respect the software design for Squares and Circles?
- What
programming constructs were you familiar with, and which did you need to look up? - Assume we used a separate array for Squares and for Circles rather than one unifying Object array.
- How would this complicate the task of adding a new Shape (say, a Triangle) to our ObjectList class?
Transcribed Image Text:public class Square {
private int x;
private int y;
private double sidelength;
private String shape ="(i";
public Square() {
public Square (int nx, int ny) {
x = nx;
y = ny;
}
public Square (int nx, int ny, double len) {
x = nx;
y = ny;
sidelength = len;
}
public void draw() {
System.out.println(shape);
public int getX() {
return x;
}
public void setX(int nX) {
x = nX;
}
public void setWidth(int nX) {
x = nX;
}
public int getY() {
return y;
public void setY(int nY) {
y = ny;
}
public void setHeight(int nY) {
y = nY;
public double getSidelength() {
return sidelength;
}
public void setsidelength(double sl) {
sidelength = si;
}
public double getArea() {
return sidelength * sidelength;
public String tostring() {
return shape;
}
public boolean equals (Square that) {
if (this.x == that.x & this.y == that.y && this.sidelength ==
that.sidelength) {
return true;
}
Transcribed Image Text:public class Circle {
private int x;
private int y;
private double radius;
private String shape = "0";
public Circle(O {
public Circle (int nx, int ny) {
x = nx;
y = ny;
}
public Circle (int nx, int ny, double len) {
x = nx;
y = ny;
radius = len;
}
public void draw() {
System.out.println(shape);
}
public int getX() {
return x;
public void setX(int nX) {
x = nX;
}
public int getY() {
return y;
public void setY(int nY) {
y = ny;
}
public double getRadius () {
return radius;
public void setRadius (double r) {
radius = r;
public double getArea() {
return Math.PI * radius * radius;
}
public String tostring() {
return shape;
public boolean equals(Circle that) {
if (this.x == that.x & this.y == that.y && this.radius == that.radius) {
return true;
return false;
}
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