triangle.java

来自「this sourse code for the hw problems in 」· Java 代码 · 共 32 行

class Triangle extends GeoFigure {
	protected double w;  
	protected double h;
	
	public Triangle(double w, double h)
	{
		this.w = w; 
		this.h = h;
	}
	public void setWidth(double w) { 
		this.w = w;
	}
	public void setHight(double h) { 
		this.h = h;
	}
	public double getWidth() { 
		return w;
	}
	public double getHight() { 
		return h;
	}
	public double computeArea() { 
		return h*(w/2);
	}
	public double computePerimeter() {
		return 3*w;
	}
	public String toString()
	{ 
		return "Triangle: " + h+ ", " + w; 
	}
}