Java Program to Find the Area of Rhombus

This is the Java Program to Find the Area of a Rhombus.

Problem Description

Given the dimensions of a rhombus, find out its area.

Problem Solution

The area of a rhombus can be calculated using the formula:

Area = (diagonal1)*(diagonal2)/2.

Program/Source Code

Here is the source code of the Java Program to Find the Area of a Rhombus. The program is successfully compiled and tested using IDE IntelliJ Idea in Windows 7. The program output is also shown below.

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//Java Program to Find the Area of a Rhombus

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import java.io.BufferedReader;
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import java.io.InputStreamReader;
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public class AreaOfARhombus {
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    // Function to calculate the area of a rhombus

    public static void main(String[] args) {

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

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        double l1,l2;
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        System.out.println("Enter the length of the diagonals of the rhombus");

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        try{
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            l1=Double.parseDouble(br.readLine());

            l2=Double.parseDouble(br.readLine());

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        }catch (Exception e){
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            System.out.println("An error occurred");

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            return;
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        }
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        if(l1<=0 || l2<=0){
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            System.out.println("Wrong input");

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            return;
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        }
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        System.out.println("Area = " + (l1*l2)/2 );

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    }
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}
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Program Explanation

1. In function main(), first, the length of the diagonals of the rhombus is taken as input.
2. The condition if(l1<=0 || l2<=0) checks if the input is valid or not.
3. The print statement displays the area of the rhombus.

Time Complexity: O(1)

Runtime Test Cases

 
Case 1 (Simple Test Case):
 
Enter the length of the diagonals of the rhombus
23
45
Area = 517.5

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