47 lines
926 B
Java
47 lines
926 B
Java
abstract class Shape {
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abstract double calculateArea();
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}
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class Square extends Shape {
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private double side;
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public Square(double side) {
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this.side = side;
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}
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double calculateArea() {
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return side * side;
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}
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}
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class Triangle extends Shape {
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private double base;
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private double height;
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public Triangle(double base, double height) {
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this.base = base;
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this.height = height;
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}
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double calculateArea() {
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return 0.5 * base * height;
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}
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}
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public class SquareTriangle {
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public static void main(String[] args) {
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Square square = new Square(5);
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Triangle triangle = new Triangle(4, 6);
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System.out.println(
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"Area of square: " + square.calculateArea() + " square units"
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);
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System.out.println(
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"Area of triangle: " + triangle.calculateArea() + " square units"
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);
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}
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}
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