Code

   
    /// Name: Afaf Nabeeha
    /// Period: 7
    /// Program Name: Gender Game
    /// File Name: Gender.java
    /// Date Finished: 11/23/2015 public class Gender

          import java.util.Scanner;
          public class Gender
          {
              public static void main( String[] args )
              {
                  Scanner keyboard = new Scanner(System.in);
                  String Gender, fName, lName, Status, Title;
                  int Age;
                  System.out.print( "What is your gender (M or F): " );
                  Gender = keyboard.next();
                  
                  System.out.print( "First name: " );
                  fName = keyboard.next();
                  
                  System.out.print( "Last name: " );
                  lName = keyboard.next();
                  
                  System.out.print( "Age: " );
                  Age = keyboard.nextInt();
                  System.out.println();
                  
                  if (( Age >= 20 ) && ( Gender.equals("M")) )
                  {
                      Title = "Mr. ";
                      System.out.println();
                      System.out.println( "Then I shall call you " + Title + lName + "." );
                  }
                  
                  if ( Age < 20 )
                  { 
                      Title = "";
                      System.out.println();
                      System.out.println( "Then I shall call you " + fName + " " + lName + "." );
                  }
                  
                  if (( Age >= 20 ) && ( Gender.equals("F")) )
                  {
                      System.out.print( "Are you married, " + fName + "(y or n)?" );
                      Status = keyboard.next();
                      if (Status.equals("y"))
                      {
                          Title = "Mrs. ";
                          System.out.println();
                          System.out.println( "Then I shall call you " + Title + lName + "." );
                      }
                      else 
                      {
                          Title = "Ms. ";
                          System.out.println();
                          System.out.println( "Then I shall call you " + Title + lName + "." );
                      }
                  }
              }
          }
                      
    
Picture of the output