Calculate the area of Triangle

Calculate the Area of Right angled Triangle

Parameterized Methods are defined to calculate the area of a simple triangle and the Right angled triangle and the values are passed as an argument from the main function. Values are taken from the user with the help of Scanner (built-in class of util package in java project ).

import java.util.Scanner; //Calling Scanner Class

public class TriangleArea

{

      //Declaring Variables

      private int height;

      private int base;

      private int a;

      private int b;

      private int c;

      private int s;

      private boolean T;

      public void Area(int height, int base) //Method for calculating area of Right-angled Triangle

     {

          double area= (height*base)/2; //Processing

          System.out.println(“Area of right angled triangle is “+area); //Printing Result

      }

      public void Area(int a, int b, int c) //Method for calculating area of Scalene Triangle

     {

           s= (a+b+c)/2; //Processing

          double area= Math.sqrt(s*((s-a)*(s-b)*(s-c))); //Processing

          System.out.println(“Area of triangle is “+area); //Printing Result

      }

      public static void main(String []args)

      {

          System.out.println(“To calculate area of triangle”);

          Scanner area1= new Scanner(System.in); //Creating object

          System.out.println(“Enter Side 1”); //Instruction for User

          int s1=area1.nextInt(); //Getting value from Key-Board

          System.out.println(“Enter Side 2”); //Instruction for User

          int s2=area1.nextInt(); //Getting value from Key-Board

          System.out.println(“Enter Side 3”); //Instruction for User

          int s3=area1.nextInt(); //Getting value from Key-Board

          TriangleArea obj= new TriangleArea(); //Creating object

          obj.Area(s1, s2, s3); //Calling Area method which calculates Area of scalene Triangle

          System.out.println(“To calculate area of Right angled triangle”);

          System.out.println(“Enter height”); //Instruction for User

          int h= area1.nextInt(); //Getting value from Key-Board

          System.out.println(“Enter base”); //Instruction for User

          int b=area1.nextInt(); //Getting value from Key-Board

          obj.Area(h, b); //Calling Area method which calculates Area of Right-Angled Triangle

      }

}

Output: