Added test cases

VisitorTracker/README.md

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+How to Run this program
+======
+You can import this to your favorite IDE and run main method it from there or you can run it from the command line.
+
+Steps to run in command line:
+1. Make sure you have java installed on your machine. If not, you can download it from here: https://www.java.com/en/download/
+2. Open command line
+3. Navigate to the directory where the file is located (VisitorTracker/src)
+4. Compile the file using the command: javac Main.java
+5. Run the file using the command: java Main

VisitorTracker/VisitorTracker.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

VisitorTracker/src/Main.java

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+public class Main {
+    public static void main(String[] args) {
+        WebServer webServer = new WebServer();
+        Site site1 = new Site("site1");
+        Site site2 = new Site("site2");
+        webServer.addSite(site1);
+        webServer.addSite(site2);
+
+        webServer.handleRequest("site1");
+        webServer.handleRequest("site1");
+        webServer.handleRequest("site2");
+        webServer.displayVisitorCount("site1");
+        webServer.displayVisitorCount("site2");
+        webServer.handleRequest("site1");
+        webServer.handleRequest("site2");
+        webServer.displayVisitorCount("site1");
+        webServer.displayVisitorCount("site3");
+    }
+}

VisitorTracker/src/Site.java

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+public class Site {
+    private final String siteName;
+    private final VisitorCounter visitorCounter;
+
+    public Site(String siteName) {
+        this.siteName = siteName;
+        this.visitorCounter = new VisitorCounter();
+    }
+    public String getSiteName() {
+        return this.siteName;
+    }
+
+    public VisitorCounter getVisitorCounter() {
+        return visitorCounter;
+    }
+}

VisitorTracker/src/VisitorCounter.java

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+public class VisitorCounter {
+    private int count;
+
+    public VisitorCounter() {
+        this.count = 0;
+    }
+
+    public void incrementCount() {
+        this.count++;
+    }
+
+    public int getCount() {
+        return this.count;
+    }
+}

VisitorTracker/src/WebServer.java

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+import java.util.ArrayList;
+import java.util.List;
+
+public class WebServer {
+    private final List<Site> sites;
+
+    public WebServer() {
+        this.sites = new ArrayList<>();
+    }
+
+    public void addSite(Site site) {
+        this.sites.add(site);
+    }
+
+    public List<Site> getSites() {
+        return this.sites;
+    }
+
+    public void handleRequest(String siteName) {
+        Site site = findSite(siteName);
+        if (site != null) {
+            site.getVisitorCounter().incrementCount();
+        } else {
+            System.out.println("Site not found");
+        }
+    }
+
+    public void displayVisitorCount(String siteName) {
+        Site site = findSite(siteName);
+        if (site != null) {
+            System.out.println(site.getVisitorCounter().getCount());
+        } else {
+            System.out.println("Site not found");
+        }
+    }
+
+    private Site findSite(String siteName) {
+        for (Site site : this.sites) {
+            if (site.getSiteName().equals(siteName)) {
+                return site;
+            }
+        }
+        return null;
+    }
+}

cab-booking/README.md

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+#Add lombok.jar to this project
+[Click Here to downlod lombok jar](https://projectlombok.org/download)
+
+Configure Run Environment like :point_down::
+
+![img.png](img.png)

cab-booking/cab-booking.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" name="lombok" level="application" />
+  </component>
+</module>

cab-booking/src/com/cab/Main.java

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+package com.cab;
+
+import com.cab.constants.Constants;
+import com.cab.models.Location;
+import com.cab.services.ApplicationService;
+import javafx.util.Pair;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Scanner;
+
+public class Main {
+
+    public static void main(String[] args) throws FileNotFoundException {
+	// write your code here
+        ApplicationService applicationService = new ApplicationService();
+        Scanner input = new Scanner(new File(args[0]));
+
+        System.out.println("Enter Historical Data and Enter Exit to complete historical data");
+
+        while(input.hasNextLine()) {
+            String line = input.nextLine().trim();
+            if (line.equalsIgnoreCase(Constants.EXIT)) {
+                break;
+            }
+            String[] commands = line.split(" ");
+            if (commands.length == 4) {
+                applicationService.processHistoricalData(commands[0], Integer.parseInt(commands[1]), commands[2], Integer.parseInt(commands[3]));
+            }
+        }
+        while(true) {
+            System.out.println("Enter Continue or Exit like C or E");
+            String userPref = input.nextLine();
+            if (userPref.equalsIgnoreCase(Constants.E)) {
+                break;
+            }
+            System.out.println("Enter Number of Available Driver");
+            int numberOfDriver = Integer.parseInt(input.nextLine());
+            List<Pair<String, Location>> driverList = new ArrayList<>();
+            System.out.println("Enter Driver list like: d1,1,0");
+            for (int i = 0; i < numberOfDriver; i++) {
+                String line = input.nextLine();
+                driverList.add(applicationService.praseInput(line));
+            }
+            System.out.println("Enter passenger details");
+            Pair<String, Location> customerDetails = applicationService.praseInput(input.nextLine());
+
+            applicationService.getAvailableDriver(driverList, customerDetails);
+        }
+    }
+}

cab-booking/src/com/cab/constants/Constants.java

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+package com.cab.constants;
+
+public class Constants {
+    public static final String EXIT = "EXIT";
+    public static final String E = "E";
+}