Assignemnt #39, A Little Quiz

Code

      /// Name: Ales Pinder
      /// Period: 5
      /// Program Name: Space Boxing
      /// File Name: prog38.java
      /// Date Complete: 11/05/15
      
      import java.util.Scanner;
      
      public class prog39
      {
          public static void main( String[] args )
          {
              Scanner keyboard = new Scanner(System.in);
              
              int first, second, third, overall;
              
              overall = 0;
              
              System.out.println( "Q1. What is the square root of -1?\n\t1. -1\n\t2. i\n\t3. 1" );
              first = keyboard.nextInt();
              
              if ( first == 2 )
              {
                  System.out.println( "Correct" );
                  
                  overall = overall + 1;
              }
              else
              {
                  System.out.println( "Incorrect" );
              }
              
              System.out.println( "Q2. Is it true that Abe Linclon was the 17th presedent.\n\t1. Yes\n\t2. No" );
              second = keyboard.nextInt();
              
              if ( second == 2 )
              {
                  System.out.println( "Correct" );
                  
                  overall = overall + 1;
              }
              else
              {
                  System.out.println( "Incorrect" );
              }
              
              System.out.println( "Q3. Solve 10x+20=30.\n\t1. x=3\n\t2. x=2\n\t3. x=1" );
                  third = keyboard.nextInt();
              
              if ( third == 3 )
              {
                  System.out.println( "Correct" );
                  
                  overall = overall + 1;
              }
              else
              {
                  System.out.println( "Incorrect" );
              }
              
              System.out.println( "Overall you got " + overall + " out of 3 correct!\nThanks for playing!" );
          }
      }
    

Picture of the output