Finding perimeter of parallelogram – Java Program to Find Perimeter of Parallelogram

Finding perimeter of parallelogram: In the previous article we have discussed Java Program to Find Area of Equilateral Triangle

In this article we will discuss about how to find perimeter of parallelogram.

Program to Find Perimeter of Parallelogram

How to find perimeter of parallelogram: Before jumping into the program directly, let’s first see how we calculate perimeter of parallelogram.

Formula for Perimeter of Parallelogram : 2*(length+breadth)

Where,

  • length‘ represents length of parallelogram.
  • breadth‘ represents height of parallelogram.

Let’s see different ways to do it.

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Method-1: Java Program to Find Perimeter of Parallelogram By Using Static Value

Finding perimeter of parallelogram: In this method,  the value for length and breadth are already declared in the program. Then these value will be used to calculate the perimeter of parallelogram using the formula and then the result will be displayed.

Let’s see the program to understand it more clearly.

import java.util.*;

public class Main
{
   public static void main(String args[]) 
    {   
         //Object of Scanner class is created
         Scanner sc= new Scanner(System.in);
         //breadth declared
         double breadth= 2.9;
         //length declared
         double length= 5.9;

         //Finding the perimeter using the formula
         double  perimeter=2*(length+breadth);
         System.out.println("Perimeter of Parallelogram : " + perimeter); 
    }
}
Output:

Perimeter of Parallelogram : 17.6

Method-2: Java Program to Find Perimeter of Parallelogram By User Input Value

In this method, we have taken the length and breadth input of parallelogram as user input means it will ask the user to input the value for length and breadth. Then these value will be used to calculate the perimeter of parallelogram using the formula and then the result will be displayed.

Let’s see the program to understand it more clearly.

import java.util.*;

public class Main
{
   public static void main(String args[]) 
    {   
        //Object of Scanner class is created
         Scanner sc= new Scanner(System.in);
         //Taking breadth as user input
         System.out.println("Enter breadth of the Parallelogram : ");
         double breadth= sc.nextDouble();
         //Taking length as user input
         System.out.println("Enter length of the Parallelogram : ");
         double length= sc.nextDouble();
         //Finding the perimeter using the formula
         double  perimeter=2*(length+breadth);
         System.out.println("Perimeter of Parallelogram : " + perimeter);      
   }
}
Output:

Enter breadth of the Parallelogram : 4.5
Enter length of the Parallelogram : 5.6
perimeter of Parallelogram : 20.2

Method-3: Java Program to Find Perimeter of Parallelogram By User Defined Method

In this method, we have implemented the same Perimeter finding logic with in a user defined method say findPerimeter() and passed the length and breadth of parallelogram as parameter. This findPerimeter() method will find the perimeter and will display the result.

Let’s see the program to understand it more clearly.

import java.util.*;

public class Main
{
   public static void main(String args[]) 
    {   
         //Object of Scanner class is created
         Scanner sc= new Scanner(System.in);
         //Taking breadth as user input
         System.out.println("Enter breadth of the Parallelogram:");
         double breadth= sc.nextDouble();
         //Taking length as user input
         System.out.println("Enter length of the Parallelogram:");
         double length= sc.nextDouble();
         findPerimeter(length,breadth);
    }
         
         public static void findPerimeter(double length,double breadth)
         {
         //Finding the perimeter using the formula
         double  perimeter=2*(length+breadth);
         System.out.println("Perimeter of Parallelogram : " + perimeter); 
         }
}
Output:

Enter breadth of the Parallelogram : 4.5
Enter length of the Parallelogram : 5.6
perimeter of Parallelogram : 20.2

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