RightTriangle.java

public class RightTriangle{

   //instance variables
   private double base, height;

   //Constructors

   //default (parameterless)
   public RightTriangle(){
      base = 0.0;
      height = 0.0;
   }

   //specified (parameterized)
   public RightTriangle( double b, double h ){
      base = b;
      height = h;
   }

   //accessor (getters) methods
   public double getBase(){
      return base;
   }

   public double getHeight(){
      return height;
   }

   //mutator (setters) methods
   public void setBase( double b ){
      base = b;
   }

   public void setHeight( double h ){
      height = h;
   }

   //toString - textual representation
   public String toString(){
      return "RightTriangle with base " + base + " and height " + height;
   }

   //equals - compare two objects for equality
   public boolean equals( RightTriangle other ){
      if( base == other.getBase() && height == other.getHeight() ) return true;
      else return false;
   }

   //"special" methods

   //area
   public double area(){
      return 0.5 * base * height;
   }

   //hypotenuse
   public double hypotenuse(){
      return Math.sqrt( Math.pow( base, 2 ) + Math.pow( height, 2 ) );
   }

   //perimeter
   public double perimeter(){
      return base + height + hypotenuse();
   }
}