title: this is a quiz program where i have to select 1 option from 4 and after I have to display how many wrong and right answer a user get
body: <p>I don't know how to calculate how many is right and how many is wrong.</p>
  
  <p>This is a quiz program where i have to select 1 option from 4 and after I have to display how many wrong and right answer a user gets...</p>
  
  <p>My question is how I will calculate how many total wrong and right answer I got and percentage of total correct answer.</p>
  
  <p>I need to calculate it at the end. I don't no how to calculate how many is right and how many is wrong.</p>
  
  <pre><code>//import scanner
  import java.util.Scanner;
  
  public class Quiz {
  
      //main method
      public static void main(String[] args) {
          //variable
          int choices;
          int song;
          int song2;
          int song3;
          int song4;
          int song5;
  
          //scanner for input options
          Scanner scan = new Scanner(System.in);
          System.out.println("Who sing this the song 'Locked Away':");
  
          //choose singer from these 4 options
          System.out.println("Choose 1 for R. City &amp; Adam Levine's. \nChoose 2 for Justin Bieber.  \nChoose 3 for Selena Gomez. \nChoose 4 for Katy Perry.");
          song = scan.nextInt();
  
  
          if (song != 1) {
              //if select wrong options
              System.out.println("Your answer is incorrect  R. City &amp; Adam Levine's is the right answer .");
          }
  
          {
              while (song == 1) {
                  //selected right option
                  System.out.println("Congrate you answer is correct");
  
                  song++;
              }
              System.out.println();
          }
  
  
          System.out.println("Who sing this the song 'Beauty and the beast':");
  
          //choose singer from these 4 options
          System.out.println("Choose 1 for R. City &amp; Adam Levine's. \nChoose 2 for Justin Bieber.  \nChoose 3 for Selena Gomez. \nChoose 4 for Katy Perry.");
          song2 = scan.nextInt();
  
  
          if (song2 != 2) {
              System.out.println("Your answer is incorrect  Justin Bieber is the right answer.");
          }
  
          {
              while (song2 == 2) {
                  System.out.println("Congrate you answer is correct ");
                  song2++;
              }
              System.out.println();
          }
          //name the singer of this song
          System.out.println("Who sing this the song 'Heal the world':");
  
          //choose singer from these 4 options
          System.out.println("Choose 1 for R. City &amp; Adam Levine's. \nChoose 2 for Micheal Jackson.  \nChoose 3 for Selena Gomez. \nChoose 4 for Katy Perry.");
          song4 = scan.nextInt();
  
  
          if (song4 != 2) {
              System.out.println("Your answer is incorrect  Micheal Jackson is the right answer.");
          }
  
          {
              while (song4 == 2) {
                  //display congrate message for right answer
                  System.out.println("Congrate you answer is correct");
                  song4++;
              }
              System.out.println();
          }
  
          //display Question
          System.out.println("Who sing this the song 'Roar':");
  
          //choose singer from these 4 options
          System.out.println("Choose 1 for R. City &amp; Adam Levine's. \nChoose 2 for Justin Bieber.  \nChoose 3 for Selena Gomez. \nChoose 4 for Katy Perry.");
          song3 = scan.nextInt();
  
  
          if (song3 != 4) {
              //display congrate message for incorrect answer
              System.out.println("Your answer is incorrect  Katy Perry is the right answer.");
          }
  
          {
              while (song3 == 4) {
                  //display congrate message for right answer
                  System.out.println("Congrate you answer is correct");
                  song3++;
              }
              System.out.println();
          }
          //name of a singer
          System.out.println("Who sing this the song 'The Heart Wants What It Wants ':");
  
          //choose singer from these 4 options
          System.out.println("Choose 1 for R. City &amp; Adam Levine's. \nChoose 2 for Justin Bieber.  \nChoose 3 for Selena Gomez. \nChoose 4 for Katy Perry.");
          song5 = scan.nextInt();
          if (song5 != 3) {
              System.out.println("Your answer is incorrect  Salena Gomez is the right answer.");
          }
          {
              //using while loop
              while (song5 == 3) {
                  //display congrats message for right answer
                  System.out.println("Congrats you answer is correct");
                  //stop repeating
                  song5++;
              }  //stop repeating
              System.out.println();
          }
      }
  }
  </code></pre>