Assignment #92 and Heron's Formula

Code

    /// Name: Ali Kurland
    /// Period: 6
    /// Program Name: Heron's Formula
    /// File Name: HeronsFormula.java
    /// Date Finished: 11/16/2015
    
    /// 1. The two programs produce exactly the same output.
    /// 2. HeronsFormulaNoFunction.java is 50 lines long, whereas HeronsFormula.java is only 30 lines long.
    /// 3. It was much easier to fix the file that didn't use a function because the bug only had to be fixed in one place.
    public class HeronsFormula
    {
    	public static void main( String[] args )
    	{
    		double a;
    		
    		a = triangleArea(3, 3, 3);
    		System.out.println("A triangle with sides 3,3,3 has an area of " + a );
    
    		a = triangleArea(3, 4, 5);
    		System.out.println("A triangle with sides 3,4,5 has an area of " + a );
     
    		a = triangleArea(7, 8, 9);
    		System.out.println("A triangle with sides 7,8,9 has an area of " + a );
    
    		System.out.println("A triangle with sides 5,12,13 has an area of " + triangleArea(5, 12, 13) );
    		System.out.println("A triangle with sides 10,9,11 has an area of " + triangleArea(10, 9, 11) );
    		System.out.println("A triangle with sides 8,15,17 has an area of " + triangleArea(8, 15, 17) );
            System.out.println("A triangle with sides 9,9,9 has an area of " + triangleArea(9, 9, 9) );
            /// 4. The test for a triangle with sides 9,9,9 was not difficult to add to the file that used a function.
    	}
     
    	public static double triangleArea( int a, int b, int c )
    	{
    		// the code in this function computes the area of a triangle whose sides have lengths a, b, and c
    		double s, A;
    
    		s = (a+b+c) / 2.0;
    		A = Math.sqrt( s*(s-a)*(s-b)*(s-c) );
    
    		return A;
    		// ^ after computing the area, "return" it
    	}
    }
    

Picture of the output