51 lines
1.1 KiB
TypeScript
51 lines
1.1 KiB
TypeScript
interface Shape {
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area(): number;
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}
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class Circle implements Shape {
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constructor(private readonly radius: number) {}
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area(): number {
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return Math.PI * Math.pow(this.radius, 2);
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}
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}
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class Square implements Shape {
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constructor(private readonly length: number) {}
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area(): number {
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return Math.pow(this.length, 2);
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}
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}
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class AreaCalculator {
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constructor(private readonly shapes: Shape[]) {}
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public sum(): number {
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return this.shapes.reduce((total, shape) => total + shape.area(), 0);
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}
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}
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class VolumeCalculator extends AreaCalculator {
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public sum(): number {
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// logique de calcul, on retournerait la somme des volumes
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return 0;
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}
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}
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class SumConsoleOutputter {
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constructor(private readonly calculator: AreaCalculator) {}
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public output(): void {
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const sum = this.calculator.sum();
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console.log(`Somme des aires : ${sum}`);
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}
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}
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const calculator = new VolumeCalculator([new Circle(5), new Square(4)]);
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const outputter = new SumConsoleOutputter(calculator);
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outputter.output(); // affiche la somme des aires
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export default {};
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