Assignment #92 and Heron's Formula

Code

    /// Name: Lauren Baird
    /// Period: 7
    /// Program Name: Heron's Formula
    /// File Name: HeronsFormula.java
    /// Date Finished: 12/10/2015
    
    public class HeronsFormula
    {
    	public static void main( String[] args )
    	{
            System.out.println();
            
    		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) );
            // It was easier to add another test to the file wiht the function because I only needed to add one line
            
            System.out.println();
    	}
     
    	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
    	}
        
        // Both files produce the same output
        // HeronsFormulaNoFunctions is 50 lines long
        // HeronsFormula (before editing) is 30 lines long
        // It was easier to fix the file with the function because I only needed to fix one line
        
    }