Adding Quiz Project files

Author: Pratyu2003

Quiz project/AnswerKey.txt

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+c
+c
+d

Quiz project/ClientThread.java

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+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.net.ServerSocket;
+import java.net.Socket;
+import java.util.concurrent.TimeUnit;
+
+class Quiz {
+    int quesNum = 0;
+    int threadnum = 0;
+    static String Question, Option, Answer;
+    static boolean has_started = false;
+
+    void sendQues(DataOutputStream dataOutputStream, int count) throws IOException, InterruptedException {
+        threadnum++;
+        if (threadnum < 3) {
+            synchronized (this) {
+                wait();
+            }
+        }
+        if (!has_started) {
+            if (Initiator.initiator()) { // call initiator if everything is fine
+                System.out.println("!! Quiz is LIVE now !!");
+                System.out.println("-------------------------");
+            }
+            has_started = true;
+        }
+        dataOutputStream.writeUTF(Question);
+        dataOutputStream.writeUTF(Option);
+        if (threadnum == 3)
+            synchronized (this) {
+                Answer = reader.readAns();
+                threadnum = 0;
+                notifyAll();
+            }
+        TimeUnit.SECONDS.sleep(5);
+    }
+
+    int receiveAns(DataInputStream dataInputStream) throws IOException {
+        String ans = dataInputStream.readUTF();
+        if (ans.equals(Answer))
+            return 1;
+        return 0;
+    }
+}
+
+public class ClientThread extends Thread {
+    static int count = 0, name_count = 0, total_ques = 0, time_per_ques = 0;
+    final static Quiz quiz = new Quiz();
+    static boolean isAnswering = false;
+    String name;
+    int port, score = 0;
+
+    ClientThread(int port) {
+        this.port = port;
+    }
+
+    public static void initialise(int total_ques, int time_per_ques) {
+        ClientThread.total_ques = total_ques;
+        ClientThread.time_per_ques = time_per_ques;
+    }
+
+    @Override
+    public void run() {
+        try {
+            ServerSocket serverSocket = new ServerSocket(port);
+            // connecting to Server..
+            Socket socket = serverSocket.accept();
+            DataOutputStream dataOutputStream = new DataOutputStream(socket.getOutputStream());
+            DataInputStream dataInputStream = new DataInputStream(socket.getInputStream());
+            name = dataInputStream.readUTF();
+            dataOutputStream.writeInt(total_ques);
+            dataOutputStream.writeInt(time_per_ques);
+            System.out.println(name + " Connected.");
+            count++;
+
+            while (quiz.quesNum < total_ques) {
+
+                if (port == 1000) {
+                    String[] list = reader.readQues();
+                    // call readQues which reads Question from generated file
+                    quiz.Question = list[0];
+                    quiz.Option = list[1];
+                } else {
+                    Thread.sleep(1000);
+                }
+                quiz.sendQues(dataOutputStream, count);
+                if (port == 1000)
+                    isAnswering = true;
+                score += quiz.receiveAns(dataInputStream);
+                if (port == 1000) {
+                    isAnswering = false;
+                    count = 0;
+                    quiz.quesNum++;
+                } else {
+                    if (quiz.quesNum == total_ques - 1 && isAnswering)
+                        break;
+                    Thread.sleep(500);
+                }
+            }
+            serverSocket.close();
+            // Print participants score on Host side
+            System.out.println(name + "'s score: " + score);
+        } catch (IOException e) {
+            e.printStackTrace();
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+    }
+}

Quiz project/General_Knowledge.txt

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+Which country gifted the Statue of Liberty to USA in 1886?
+a.) France  b.) Canada  c.) Brazil  d.) England
+The council of ministers is responsible to the-
+(a) Rasja Sabha  (b) President  (c) Lok Sabha  (d) Prime Minister
+Dead Sea is located between which two countries?
+a.) Jordan and Sudan  b.) Jordan and Israel  c.) Turkey and UAE  d.) UAE and Egypt
+In which ocean Bermuda Triangle region is located?
+a.) Atlantic  b.) Indian  c.) Pacific  d.) Arctic
+Which country is known as the playground of Europe?
+a.) Austria  b.) Holland  c.) Switzerland  d.) Italy
+Which country is also known as the Land of Rising Sun?
+a.) Japan  b.) New Zealand  c.) Fiji  d.) China
+Which country is known as the Land of Thunderbolts?
+a.) China  b.) Bhutan  c.) Mongolia  d.) Thailand
+Which continent has the highest number of countries?
+a.) Asia  b.) Europe  c.) North America  d.) Africa
+In which country, white elephant is found?
+a.) India  b.) Sri Lanka  c.) Thailand  d.) Malaysia
+Total number of oceans in the World is
+a.) 3  b.) 5  c.) 7  d.) 12
+Which country is also known as the Land of Thousand Lakes?
+a.) Iceland  b.) Norway  c.) Finland  d.) Switzerland
+Which Plateau is known as the Roof of the World?
+a.) Andes  b.) Himalaya  c.) Karakoram  d.) Pamir
+The world’s longest straight road without any corners is located in
+a.) USA  b.) Australia  c.) Saudi Arabia  d.) China
+Which one is the biggest island in the World?
+a.) Borneo  b.) Finland  c.) Sumatra  d.) Greenland
+In which year Hong Kong became a part of China after British Rule?
+a.) 1982  b.) 1989  c.) 1995  d.) 1997
+Which one is the World highest-altitude civilian airport?
+a.) Daocheng Yading Airport, China  b.) Kushok Bakula Airport, Leh  c.) Qamdo Airport, China  d.) None of the above
+Which river is flowing through Grand Canyon in Arizona, USA?
+a.) Missouri River  b.) Colorado River  c.) Mississippi River  d.) Yukon River
+Which one is the largest tropical rain forest in the world?
+a.) Amazon  b.) Bosawas  c.) Southeast Asian Rain Forest  d.) Daintree Rain Forest
+How many countries were participated as founding member of United Nation?
+a.) 45  b.) 50  c.) 51  d.) 75
+Which one is the longest continental mountain range in the world?
+a.) Himalaya  b.) Andes  c.) Rocky Mountains  d.) Ural Mountains
+The State of Climate Ambition is a report released by which organization?
+a.)UNGA  b.)UNDP  c.)IMD  d.)WHO
+The executive power of the Union is vested in which one of the below?
+A. Prime minister  B. Home minister  C. Vice-president  D. President
+The Pressure groups are:
+a.) Political organisations  b.) Economic organisation  c.) Moral organisations  d.) Organisations of universal character
+When was the first Parliamentary Forum on Children constituted?
+a.) 2006  b.) 2007  c.) 2008  d.) 2009
+What is the minimum age to become a member of Lok Sabha?
+a.)  30 years  b.)  18 years  c.)  25 years  d.)  35 years
+The concept of Federal System in Indian Constitution is taken from:
+a.)  Ireland  b.)  Australia  c.)  Germany  d.)  Canada
+In which year was the Anti-Defection law passed?
+a.)1950  b.)1960  c.)1985  d.)2005
+Which country has become the first one to approve oral Covid pill?
+a) US  b) UK  c) Canada  d) India
+Which company has shut down its facial recognition system?
+a) Apple  b) Google  c) Facebook  d) Microsoft
+India will achieve net-zero carbon emissions by which year, as per PM Modi.
+a) 2040  b) 2050  c) 2070  d) 2090
+

Quiz project/General_Knowledge_sol.txt

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+a
+c
+b
+a
+c
+a
+b
+d
+c
+b
+c
+d
+c
+d
+d
+a
+b
+a
+c
+b
+b
+d
+d
+a
+c
+d
+c
+b
+c
+c

Quiz project/Host.java

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+abstract class Host {
+
+  // call subject selector
+   void subject() {
+    subject_selector.select_subjet();
+  }
+
+  // call Question_setter
+  boolean questions() {
+    return question_setter.set_questions();
+  }
+
+  // call Set_time `
+
+  public void time(int wait) {
+    Set_time.set(wait);
+  }
+
+}

Quiz project/Initiator.java

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+import java.util.Scanner;
+
+public class Initiator extends Thread {
+
+    public static boolean initiator() {
+
+        boolean flag = false;
+        int countdown = 5;
+        Scanner scan = new Scanner(System.in);
+        while (flag == false) {
+
+            System.out.println("!! Enter 'START' to begin the Quiz !!");
+
+            String input = scan.nextLine();
+
+            if (input.equals("START")) {
+                System.out.print("Quiz starting in " + countdown);
+                while (countdown-- > 0) {
+                    try {
+                        Thread.sleep(1500);
+                    } catch (InterruptedException e) {
+                    }
+                    System.out.print("\b" + countdown);
+                }
+                System.out.println("");
+                flag = true;
+                return flag;
+            } else {
+                System.out.println(
+                        "Please enter 'START' correctly. If you not want to start quiz then just enter 'QUIT'");
+                String in = scan.next();
+                if (in.equals("QUIT")) {
+                    System.out.print("EXITING the Quiz");
+                    int i = 2;
+                    while (i-- > 0) {
+                        for (int j = 0; j < 3; j++) {
+
+                            System.out.print(".");
+                            try {
+                                Thread.sleep(700);
+                            } catch (InterruptedException e) {
+                            }
+                            if (j == 2) {
+                                System.out.print("\b\b\b");
+                            }
+                        }
+                    }
+                    return false;
+                }
+                if (in.equals("START")) {
+                    input = "START";
+                    System.out.print("Quiz starting in " + countdown);
+                    while (countdown-- > 0) {
+                        try {
+                            Thread.sleep(1500);
+                        } catch (InterruptedException e) {
+                        }
+                        System.out.print("\b" + countdown);
+                    }
+                    System.out.println("");
+                    return true;
+
+                }
+            }
+        }
+        return true;
+    }
+}

Quiz project/Main.java

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+import java.util.Scanner;
+
+public class Main extends Host{
+    public static void main(String[] args) {
+
+        Host Host_obj = new Main();
+
+        synchronized (Host_obj) {
+
+            // select subject
+            Host_obj.subject();
+
+            // select questions
+            boolean Questions = Host_obj.questions();
+            if (Questions) {
+                System.out.println("Successfully selected " + question_setter.ques + " questions for the Quiz..");
+            } else {
+                System.out.println("!! Unable to select questions !!");
+            }
+
+            // select time for each question
+            System.out.print("Enter time(in seconds) for each question : ");
+            int time;
+            Scanner scan = new Scanner(System.in);
+
+            time = scan.nextInt();
+            Host_obj.time(time);
+            
+            System.out.println("Waiting for participants to connect..");
+
+            // Creating ClientThreads and connect to server.
+            ClientThread.initialise(question_setter.ques, Set_time.t);
+            ClientThread clientThread = new ClientThread(1000);
+            ClientThread clientThread1 = new ClientThread(1001);
+            ClientThread clientThread2 = new ClientThread(1002);
+
+            clientThread.start();
+            clientThread1.start();
+            clientThread2.start();
+        }
+    }
+}

Quiz project/Questions.txt

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+Which of these packages contains the exception Stack Overflow in Java?
+a) java.io  b) java.system  c) java.lang   d) java.util
+Which of these class is a superclass of every class in Java?
+a) ArrayList class  b) Abstract class  c) Object class  d) String class
+Which of this method of class String is used to obtain a length of String object?
+a) get()  b) Sizeof()  c) lengthof()  d) length()