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Row Compare/Part A/RowCompare.java

@@ -0,0 +1,26 @@
+public class RowCompare
+{
+  public static boolean isRow(int[] arr, int[][] mat, int limit) {
+    if (limit < 0 || limit > mat.length) {
+      return false;
+    }
+
+    for (int i = 0; i < limit; i++) {
+      if (mat[i].length == arr.length) {
+        boolean rowMatch = true;
+        for (int j = 0; j < arr.length; j++) {
+          if (mat[i][j] != arr[j]) {
+            rowMatch = false;
+            break;
+          }
+        }
+        
+        if (rowMatch) {
+          return true;
+        }
+      }
+    }
+    
+    return false;
+  }
+}

Row Compare/Part B/RowCompare.java

@@ -0,0 +1,22 @@
+public class RowCompare
+{
+  public static int uniqueRows(int[][] mat) {
+    int uniqueCount = 0;
+    
+    for (int i = 0; i < mat.length; i++) {
+      if (!isRow(mat[i], mat, i)) {
+        uniqueCount++;
+      }
+    }
+
+    return uniqueCount;
+  }
+
+  public static boolean isRow(int[] arr, int[][] mat, int limit)
+  {
+    /* COMPLETE WORKING METHOD PROVIDED */
+    /* DO NOT MODIFY THE IMPLEMENTATION OF THIS METHOD*/
+    return testing.FRQFunctions.isRow(arr, mat, limit);
+  }
+
+}

Warehouse/Part A/Warehouse.java

@@ -11,24 +11,20 @@ public class Warehouse
    *  @param orderQuant the quantity requested of this product
    *  @return true if the order is completed; false otherwise.
    */
-  public boolean fulfillOrder(String code, int orderQuant)
-  {
-    /* Implement your answer to part (a) here */
-    for(Product[] row : stock) {
-      for(Product p : row) {
-        if(p.getProductCode().equals(code)) {
-          if(p.getQuant() >= orderQuant) {
+  public boolean fulfillOrder(String code, int orderQuant) {
+    for (Product[] row : stock) {
+      for (Product p : row) {
+        if (p.getProductCode().equals(code)) {
+          if (p.getQuant() >= orderQuant) {
             p.setQuant(p.getQuant() - orderQuant);
             return true;
           } else {
             return false;
           }
-        } else {
-          return false;
         }
       }
     }
-    
+
     return false;
   }
 
@@ -44,4 +40,4 @@ public class Warehouse
   public Warehouse(Product[][] s)
   {  stock = s;  }
 
-}
+}

Warehouse/Part B/Product.java

@@ -0,0 +1,37 @@
+public class Product
+{
+
+  private final String productCode;
+  private int quantityInStock;
+
+  /** @return the code of this product
+   */
+  public String getProductCode()
+  {
+    return productCode;
+  }
+
+  /** @return the current quantity in stock of this product. This should never be negative.
+   */
+  public int getQuant()
+  {
+    return quantityInStock;
+  }
+
+  /** Sets the current quantity in stock of this product to the parameter value
+   */
+  public void setQuant(int quantity)
+  {
+    quantityInStock = quantity;
+  }
+
+
+  /* CLASS MEMBERS FOR TESTING */
+  /* DO NOT MODIFY ANY OF THE CONSTRUCTORS OR METHODS BELOW */
+  public Product(String det)
+  {
+    productCode = det.split("/")[0];
+    quantityInStock = Integer.parseInt(det.split("/")[1]);
+  }
+
+}

Warehouse/Part B/Warehouse.java

@@ -0,0 +1,40 @@
+public class Warehouse
+{
+  private Product[][] stock;
+
+
+  /** Attempts to swap the Product at the location frRow, frCol in stock with
+   *  the Product at location toRow, toCol. This only happens if the
+   *  quantity in stock of the Product at  toRow, toCol before the method is called
+   *  is 0.
+   *  @param frRow a valid row index for  stock
+   *  @param frCol a valid column index for  stock
+   *  @param toRow a valid row index for  stock
+   *  @param toCol a valid column index for  stock
+   *  @return true if the swap is completed; false otherwise.
+   */
+  public boolean reposition(int frRow, int frCol, int toRow, int toCol) {
+    if (stock[toRow][toCol].getQuant() > 0) {
+      return false;
+    }
+
+    Product temp = stock[frRow][frCol];
+    stock[frRow][frCol] = stock[toRow][toCol];
+    stock[toRow][toCol] = temp;
+
+    return true;
+  }
+
+
+  /* Methods for previous parts of this question are not shown */
+
+  /* CLASS MEMBERS FOR TESTING */
+  /* DO NOT MODIFY ANY OF THE CONSTRUCTORS OR METHODS BELOW */
+
+  public Product[][] getStock()
+  {  return stock;  }
+
+  public Warehouse(Product[][] s)
+  {  stock = s;  }
+
+}