Grid comments

src/Grid.java

@@ -2,9 +2,9 @@ import java.util.ArrayList;
 
 public class Grid {
 	
-	ArrayList<String> Avblcords = new ArrayList<String>();
-	static ArrayList<String> xCordL = new ArrayList<String>();
-	static ArrayList<String> yCordL = new ArrayList<String>();
+	ArrayList<String> Avblcords = new ArrayList<String>(); //Holds coordinates of which user is allowed to use.
+	static ArrayList<String> xCordL = new ArrayList<String>(); //Holds X coordinates
+	static ArrayList<String> yCordL = new ArrayList<String>(); //Holds Y coordinates
 	
 	static String xCord[] = {"0","1","2","3","4","5","6","7","8","9"};
 	static String yCord[] = {"A","B","C","D","E","F","G","H","I","J"};
@@ -12,9 +12,9 @@ public class Grid {
 	
 	
 	
-	public ArrayList<String> CoOrdGen(Grid z) {
+	public ArrayList<String> CoOrdGen(Grid z) { //Takes a grid object and generates a list of available coordinates.
 		
-		for (int i = 0 ; i < 10 ; i ++ ) {
+		for (int i = 0 ; i < 10 ; i ++ ) { //Loads arrays into more useful ArrayLists.
 			
 			yCordL.add(yCord[i]);
 			xCordL.add(xCord[i]);
@@ -22,7 +22,7 @@ public class Grid {
 		}
 		
 		
-			for (int i = 0 ; i < 10 ; i ++ ) {
+			for (int i = 0 ; i < 10 ; i ++ ) { //Loops through both x and y lists to generate the entire grid.
 				String letter = yCord[i];
 				for (int j = 0 ; j < 10 ; j ++ ) {
 					String number = xCord[j];
@@ -34,21 +34,21 @@ public class Grid {
 	
 	public  boolean MoveValidCheck(Grid	inputer, ArrayList<String> moves, ShipClass usr, String shipType ) {
 		
-		boolean valid = true;
+		boolean valid = true; //Coordinates assumed to be valid until proven otherwise.
 	
 		
 		for (int i=0 ; i < moves.size() ; i++ ) {
 		
-			String move = (String) moves.get(i);
+			String move = (String) moves.get(i); //Takes each move from moves to test individually.
 			
-		if (!inputer.Avblcords.contains(move) && (valid)) {
+		if (!inputer.Avblcords.contains(move) && (valid)) { //If move is not in the grid objects available coordinates it is rejected.
 			
-			valid = false;
+			valid = false; //Stops all checking and renders entire list of moves as invalid.
 			i = moves.size();
 			System.out.println(move + "Rejected");
 			
 			for (int j=0 ; j < moves.size() ; j++ ) {
-				usr.allMoves.remove(moves.get(j));
+				usr.allMoves.remove(moves.get(j)); //Invalid moves are removed from ships class objects All moves list.
 			}
 			
 			
@@ -59,13 +59,13 @@ public class Grid {
 			
 			for(int i=0 ; i < moves.size() ; i++ ) {
 				
-				inputer.Avblcords.remove(moves.get(i));
+				inputer.Avblcords.remove(moves.get(i)); //Removes from available Coordinates so, they can't be used again.
 				
 			}
 			
 			int index = BSMain.ships.indexOf(shipType);
-			if(!(index == -1)) {
-			usr.shipsPlaced[index] = true; 
+			if(!(index == -1)) { //Averts out of bounds error.
+			usr.shipsPlaced[index] = true; //Sets as true so that ship can't be placed again.
 			}
 		}
 		return valid;