From 18d0aa5c78b719d7ade3022ca393b1759588a881 Mon Sep 17 00:00:00 2001
From: ilma <ilmakramansari@gmail.com>
Date: Sat, 11 Oct 2025 20:52:27 +0530
Subject: [PATCH 1/3] =?UTF-8?q?Fixed=20API=20and=20added=20plain-text=20US?=
 =?UTF-8?q?D=E2=86=94INR=20converter=20with=20user=20input?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../thealgorithms/conversions/USDtoIND.java   | 89 +++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 src/main/java/com/thealgorithms/conversions/USDtoIND.java

diff --git a/src/main/java/com/thealgorithms/conversions/USDtoIND.java b/src/main/java/com/thealgorithms/conversions/USDtoIND.java
new file mode 100644
index 000000000000..f2af8a2c4268
--- /dev/null
+++ b/src/main/java/com/thealgorithms/conversions/USDtoIND.java
@@ -0,0 +1,89 @@
+package com.thealgorithms.conversions;
+
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.util.Scanner;
+
+public class USDtoIND {
+
+    // ✅ Free, keyless API endpoint
+    private static final String API_URL = "https://open.er-api.com/v6/latest/USD";
+
+    /**
+     * Fetches the live USD to INR rate from open.er-api.com
+     * 
+     * @return the exchange rate, or -1 if an error occurs
+     */
+    public static double fetchLiveRate() {
+        try {
+            // Step 1: Connect to the URL
+            URL url = new URL(API_URL);
+            HttpURLConnection conn = (HttpURLConnection) url.openConnection();
+            conn.setRequestMethod("GET");
+
+            // Step 2: Read API response
+            BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
+            StringBuilder response = new StringBuilder();
+            String line;
+            while ((line = reader.readLine()) != null) {
+                response.append(line);
+            }
+            reader.close();
+
+            // Step 3: Extract INR value manually from the JSON text
+            String json = response.toString();
+
+            // Find INR rate
+            int start = json.indexOf("\"INR\":") + 6;
+            int end = json.indexOf(",", start);
+            if (end == -1)
+                end = json.indexOf("}", start);
+            String rateStr = json.substring(start, end);
+
+            return Double.parseDouble(rateStr);
+        } catch (Exception e) {
+            System.out.println("Error fetching exchange rate: " + e.getMessage());
+            return -1;
+        }
+    }
+
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+
+        System.out.println("USD ↔ INR Converter");
+        System.out.println("--------------------");
+        System.out.println("Choose conversion type:");
+        System.out.println("1. USD → INR");
+        System.out.println("2. INR → USD");
+        System.out.print("Enter your choice (1 or 2): ");
+        int choice = sc.nextInt();
+
+        // Fetch live exchange rate
+        double rate = fetchLiveRate();
+
+        if (rate <= 0) {
+            System.out.println("Failed to retrieve live exchange rate. Please check your internet connection.");
+            sc.close();
+            return;
+        }
+
+        // Conversion logic
+        if (choice == 1) {
+            System.out.print("Enter amount in USD: ");
+            double usd = sc.nextDouble();
+            double inr = usd * rate;
+            System.out.printf("%.2f USD = %.2f INR (Rate: %.2f)%n", usd, inr, rate);
+        } else if (choice == 2) {
+            System.out.print("Enter amount in INR: ");
+            double inr = sc.nextDouble();
+            double usd = inr / rate;
+            System.out.printf("%.2f INR = %.2f USD (Rate: %.2f)%n", inr, usd, rate);
+        } else {
+            System.out.println("Invalid choice. Please run the program again and select 1 or 2.");
+        }
+
+        sc.close();
+    }
+}

From 372be90238a814d8b2bfeb6d04c3834e4c627d3c Mon Sep 17 00:00:00 2001
From: ilma <ilmakramansari@gmail.com>
Date: Sat, 11 Oct 2025 20:56:15 +0530
Subject: [PATCH 2/3] =?UTF-8?q?Updated=20USD=E2=86=94INR=20converter=20and?=
 =?UTF-8?q?=20pom.xml?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 desktop.ini | 2 ++
 pom.xml     | 7 +++++++
 2 files changed, 9 insertions(+)
 create mode 100644 desktop.ini

diff --git a/desktop.ini b/desktop.ini
new file mode 100644
index 000000000000..3dfcbb05764b
--- /dev/null
+++ b/desktop.ini
@@ -0,0 +1,2 @@
+[.ShellClassInfo]
+LocalizedResourceName=@Java,0
diff --git a/pom.xml b/pom.xml
index e0e3516c08eb..9ea475131b4a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -7,6 +7,12 @@
     <artifactId>Java</artifactId>
     <version>1.0-SNAPSHOT</version>
     <packaging>jar</packaging>
+    <dependency>
+    <groupId>org.json</groupId>
+    <artifactId>json</artifactId>
+    <version>20240303</version>
+</dependency>
+
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
@@ -14,6 +20,7 @@
         <maven.compiler.target>21</maven.compiler.target>
         <assertj.version>3.27.6</assertj.version>
     </properties>
+    
 
     <dependencyManagement>
         <dependencies>

From a5a10f5158869a007c8523e23dd1a19e08ab28ab Mon Sep 17 00:00:00 2001
From: Ilma <155047468+Ilmakram@users.noreply.github.com>
Date: Wed, 15 Oct 2025 15:36:27 +0530
Subject: [PATCH 3/3] Update pom.xml

---
 pom.xml | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/pom.xml b/pom.xml
index 9ea475131b4a..337d7ba667c8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -7,11 +7,7 @@
     <artifactId>Java</artifactId>
     <version>1.0-SNAPSHOT</version>
     <packaging>jar</packaging>
-    <dependency>
-    <groupId>org.json</groupId>
-    <artifactId>json</artifactId>
-    <version>20240303</version>
-</dependency>
+   
 
 
     <properties>