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:


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