Extensive changes

Ships is basically fully tested.

Battleship.java

@@ -90,6 +90,7 @@ public class Battleship{
       }
    }
    public static void printBoard(int[][] arr){
+      
       for (int row = 0; row < arr.length; row++){
          String s = "";
          for (int col = 0; col < arr[row].length; col ++){
@@ -104,8 +105,11 @@ public class Battleship{
    }
    public static void main(String[] args){
       int[][] testBoard = new int[10][10];
-      Ship test = new Ship(new int[] {5,5}, new int[] {9,5});
+      Ship test = new Ship(new int[] {5,5}, new int[] {5,9});
       int[] stationary = test.getStart().clone();
+      test.print();
+      test.placeOnBoard(testBoard);
+      
       for (int i = 0; i < 4; i++){
          test.print();
          test.placeOnBoard(testBoard);
@@ -113,5 +117,7 @@ public class Battleship{
          test.rotate(stationary,1);
       }
       
+      //printBoard(testBoard);
+      
    }
 }

Ship.java

@@ -7,25 +7,18 @@ public class Ship{
    private int[] end;
    private int length;
    
-   
    public Ship(int[] start,int[] end){
-      int cord;
-      boolean vertical = start[Y] == end[Y];
-      this.vertical = vertical;
-      if (vertical) {
-         cord = X;
-      }
-      else {
-         cord = Y;
-      }
-      if (start[cord] < end[cord]){
       this.start = start;
       this.end = end;
+      this.correctSE();
+      int cord;
+      if (this.vertical) {
+         cord = Y;
       }
       else {
-         this.start = end;
-         this.end = start;
+         cord = X;
       }
+      
       this.length = this.end[cord] - this.start[cord]+1;
    }
    
@@ -73,13 +66,14 @@ public class Ship{
    }
    
    // ensures start and end are in the right place
-   private void correntSE(){
+   private void correctSE(){
       int cord;
+      this.vertical = this.start[X] == this.end[X];
       if (this.vertical) {
-         cord = X;
+         cord = Y;
       }
       else {
-         cord = Y;
+         cord = X;
       }
       
       int[] third_point;
@@ -122,7 +116,7 @@ public class Ship{
       for (int i = 0; i < n; i++){
          this.rotate(point);
       }
-      this.correntSE();
+      this.correctSE();
    }
    
    public boolean isVertical() {
@@ -190,16 +184,19 @@ public class Ship{
    }
    
    public void placeOnBoard(int[][] board){
-      int x_col = this.start[X]
+      this.correctSE();
+      int x_col = this.start[X];
       int y_col = this.start[Y];
+      int c;
       if (this.vertical){
-         for (int c = this.start[Y];c <= this.end[Y];c++){
-            board[x_col][c] = this.length;
+         for (c = this.start[Y];c <= this.end[Y];c++){
+            System.out.println(c);
+            board[c][x_col] = this.length;
          }
       }
       else {
-         for (int c = this.start[X];c <= this.end[X];c++){
-            board[c][y_col] = this.lenth;
+         for (c = this.start[X];c <= this.end[X];c++){
+            board[y_col][c] = this.length;
          }
       }
    }