Added comments

src/Yeyey1.java

@@ -3,13 +3,13 @@ import java.util.Scanner;
 public class Yeyey1 {
 	
 	static Scanner input = new Scanner(System.in); //We're just setting up the input for now;
-	static String[] seat = new String[100];
-	static int j=0,k=0,mainSeatNumber=0,classRead;
-	static String personName;
+	static String[] seat = new String[100];//Seat array
+	static int j=0,k=0,mainSeatNumber=0,classRead;//Seat number and seat class, both inputs from the user
+	static String personName;// name, destination and city, will be printed on the boarding pass
 	static String destination;
 	static String currentCity;
 	static String[] planeName = new String[28];
-	static int bookAgain = 1;
+	static int bookAgain = 1;// variable to check if the user wants to book another seat
 
 	public static void main(String[] args) {
 		
@@ -20,7 +20,7 @@ public class Yeyey1 {
 			{
 				seat[i] = "0" + String.valueOf(i+1);
 			}
-		}
+		}//here we set up the numbers for the seats
 		
 		for(int i = 0; i<28; i++)
 		{
@@ -30,38 +30,35 @@ public class Yeyey1 {
 			}
 			else
 				planeName[i] = "FL" + (i + 1);
-		}
+		}//here we set up the flight names
 		
-		GiveInfo();
+		GiveInfo();//here we ask the user for his info
 
 		while(true)
 		{
-			if(bookAgain == 1)
+			if(bookAgain == 1)//if the user wishes to book
 		    {
 				System.out.println("");
 		        System.out.println("For First Class please input 1");
 		        System.out.println("For Business Class please input 2");
 		        System.out.println("For Economy Class please input 3");
-		        classRead = input.nextInt();
-		        BookSeats(classRead);
+		        classRead = input.nextInt();//we ask for his class 
+		        BookSeats(classRead);//and pass it over to booking the respective seat
 		
 		        System.out.println("");
 		        System.out.println("Would you like to book another seat? 0 = no / 1 = yes");
-		        bookAgain = input.nextInt();
+		        bookAgain = input.nextInt();//ask the user if he wishes to book again
 		    }
-			else if(bookAgain == 0)
+			else if(bookAgain == 0)//if not, we show his boarding pass and exit
 			{
 	            ShowBoardingPass();
 				System.out.println("Have a good day!");
 				break;
 			}
 		}
-		
-		
-		
 	}
 
-	public static void BookSeats(int mainClass) //Method for adding the seats and displaying them yey
+	public static void BookSeats(int mainClass) //Method for asking the user for his seat number 
 	{
 		
 		if(mainClass == 1)
@@ -87,16 +84,15 @@ public class Yeyey1 {
 		}
 	} 
 	
-	public static void AssignSeats(int start, int finish)
-	{
-		for(int i = start;i<finish;i++)
+	public static void AssignSeats(int start, int finish)//method for assigning seats and adding the changes to 
+	{                                                    //them (if they're occupied)
+		for(int i = start;i<finish;i++)//start and finish are assigned in the ShowSeats method
 		{
 			if(k<9)
 			{
 			   if(j<3)
 			   {
-				   if(i<9) System.out.print("[" + seat[i] + "]");
-				   else System.out.print("[" + seat[i] + "]");
+				   System.out.print("[" + seat[i] + "]");
 				   j++;
 			   }
 			   if(j==3) 
@@ -122,7 +118,7 @@ public class Yeyey1 {
 		System.out.println("---------------FIRST CLASS----------------");
 		System.out.println("");
 		
-		AssignSeats(0,18);
+		AssignSeats(0,18);//for efficiency we only modify the seats in the respective class, instead of rewriting all of them
 
 		System.out.println("");
 		System.out.println("--------------BUSINESS CLASS--------------");
@@ -137,24 +133,23 @@ public class Yeyey1 {
 		AssignSeats(45,90);
 	}
 	
-	public static void OccupySeats()
+	public static void OccupySeats()//method for displaying the occupied seats 
 	{
 		mainSeatNumber = input.nextInt();
-		if(seat[mainSeatNumber - 1] !="XX")
+		if(seat[mainSeatNumber - 1] !="XX")//we verify if the seat is already taken
 		{
-		    seat[mainSeatNumber - 1] = "XX";
+		    seat[mainSeatNumber - 1] = "XX";//if not, occupy it and show the seats
             ShowSeats();
 		}
 		else 
 		{
-			System.out.println("Seat is already occupied");
+			System.out.println("Seat is already occupied");//if it is, tell the user the seat is occupied
 		}
 	}
 	
-	public static void GiveInfo()
+	public static void GiveInfo()//method for taking the user's info and displaying the seats for the first time
 	{
 		System.out.println("Welcome to our online booking system");
-		
 		System.out.print("Please enter your name: ");
 		personName = input.nextLine();
 		System.out.print("Please enter your city: ");
@@ -164,15 +159,15 @@ public class Yeyey1 {
 		ShowSeats();
 	}
 	
-	public static void ShowBoardingPass()
+	public static void ShowBoardingPass()//method for displaying the boarding pass
 	{
 		System.out.println("");
 		System.out.println("                -------------BOARDING PASS-----------------");
-		System.out.println("                Name: " + personName + " ------------------");
-		System.out.println("                Current City: " + currentCity + " ---------");
-		System.out.println("                Destination: " + destination + " ----------");
-		System.out.println("                Seat: " + mainSeatNumber + " --------");
-		System.out.println("                Flight: " + planeName[0] + " -----------------");
+		System.out.println("                Name:---------- " + personName );
+		System.out.println("                Current City:-- " + currentCity);
+		System.out.println("                Destination:--- " + destination );
+		System.out.println("                Seat:---------- " + mainSeatNumber);
+		System.out.println("                Flight:-------- " + planeName[0]);
 		System.out.println("                -------------------------------------------");
 		System.out.println("");
 	}