Java Program to Find the Area of a Triangle

//Java Program to Find the Area of a Triangle Using Heron's formula

import java.io.BufferedReader;

import java.io.InputStreamReader;

public class HeronsFormula {

    // Function to calculate area using Heron's Formula

    static void area(double a, double b, double c){

        double s = (a+b+c)/2;

        s = s*(s-a)*(s-b)*(s-c);

        System.out.println("Area of the triangle is " + Math.sqrt(s));

    }

    // Function to read user input

    public static void main(String[] args) {

        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

        double a,b,c;

        System.out.println("Enter the three sides of the triangle");

        try{

            a = Double.parseDouble(br.readLine());

            b = Double.parseDouble(br.readLine());

            c = Double.parseDouble(br.readLine());

        }catch (Exception e){

            System.out.println("An error occurred");

            return;

        }

        if(a<0 || b<0 || c<0){

            System.out.println("Invalid Input");

            return;

        }

        area(a,b,c);

    }

}