test2.java

来自「this sourse code for the hw problems in 」· Java 代码 · 共 9 行

public class Test2{
	
	public static void main(String[] args){
		GeoFigure g[] ={new Triangle(10,20),new Circle(10),new Rect(10,20),new Square(10)};
		for(int i=0; i<g.length ; i++)
			System.out.println(g[i]+"\n");
   	}
}