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Main.java
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Main.java
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package beginner.ex1012;
import java.util.Scanner;
public class Main
{
public static void main(String[] args)
{
TextInterface textInterface = new TextInterface();
textInterface.input();
textInterface.print();
}
}
class TextInterface
{
private Scanner input;
private Area area;
public TextInterface()
{
input = new Scanner(System.in);
area = new Area();
}
public void input()
{
area.setFeatures(input.nextDouble(), input.nextDouble(), input.nextDouble());
}
public void print()
{
System.out.printf("TRIANGULO: %.3f%n", area.areaTriangle());
System.out.printf("CIRCULO: %.3f%n", area.areaCircle());
System.out.printf("TRAPEZIO: %.3f%n", area.areaTrapeze());
System.out.printf("QUADRADO: %.3f%n", area.areaSquare());
System.out.printf("RETANGULO: %.3f%n", area.areaRectangle());
}
}
class Area
{
public static final double PI = 3.14159;
private double a, b, c;
public void setFeatures(double a, double b, double c)
{
this.a = a;
this.b = b;
this.c = c;
}
public double areaTriangle()
{
return a * c / 2;
}
public double areaCircle()
{
return (PI * Math.pow(c, 2));
}
public double areaTrapeze()
{
return ((a + b) * c) / 2;
}
public double areaSquare()
{
return Math.pow(b, 2);
}
public double areaRectangle()
{
return a * b;
}
}