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33 lines
699 B
33 lines
699 B
class Shape {
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public void draw() {
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System.out.println("绘制图形");
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}
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}
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class Circle extends Shape {
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@Override
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public void draw() {
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System.out.println("🎨 绘制一个圆形");
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}
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}
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class Rectangle extends Shape {
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@Override
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public void draw() {
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System.out.println("🎨 绘制一个矩形");
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}
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}
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public class ShapeTest {
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public static void drawShape(Shape s) {
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s.draw();
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}
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public static void main(String[] args) {
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Shape circle = new Circle();
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drawShape(circle);
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Shape rect = new Rectangle();
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drawShape(rect);
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drawShape(new Shape());
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}
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}
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