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1 answer:
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Answer:
public class Polygon {
private String name;
private int sides;
private double sideLength;
public Polygon(String name, int sides, double sideLength) {
if (sideLength <= 0) throw new IllegalArgumentException("Length cannot be zero or negative.");
if (sides <= 0) throw new IllegalArgumentException("Sides cannot be zero or negative.");
this.name = name;
this.sides = sides;
this.sideLength = sideLength;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public double getSideLength() {
return sideLength;
}
public void setSideLength(double sideLength) {
if (sideLength <= 0) throw new IllegalArgumentException("Length cannot be zero or negative.");
this.sideLength = sideLength;
}
public int getSides() {
return sides;
}
public void setSides(int sides) {
this.sides = sides;
}
(use the at sign here)Override
public String toString() {
return "regular " + name + " with side length " + String.format("%.1f", sideLength);
}
}
public class TestPolygon {
public static void main(String[] args) {
Polygon sides11 = new Polygon("hendecagon", 11, 1);
Polygon sides14 = new Polygon("tetrakaidecagon", 14, 1);
Polygon sides19 = new Polygon("enneadecagon", 19, 1);
System. out. println(sides11);
System. out. println(sides14);
System. out. println(sides19);
}
}
Explanation:
This java source code defines a class that creates a regular polygon based on the number of sides given to it.
Below is a screenshot of the program code and output.
