myrectangle.java

java课程的资料以及实验的代码

class MyRectangle implements Area
{
	double width;
	double height;
	MyRectangle(double width,double height)
	{
		this.width=width;
		this.height=height;
	}
	public double calculateArea()
	{
		return width*height;
	}
	public static void main(String args[])
	{
		MyRectangle rect=new MyRectangle(50,60);
		System.out.println("The Area of rectangle is:"+rect.calculateArea());
	}
}