Created skeleton for the Merchant class, built a testMerchant class and

created some tests for the Merchant class.

MerchantRPGCSE2102/src/Item.java

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+
+public class Item 
+{
+
+}

MerchantRPGCSE2102/src/Merchant.java

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+
+public class Merchant
+{
+	private String _name;
+	private int _currentCash;
+	private int _baseCash;
+	private Item[] _inventory;
+
+	//merchant constructor
+	public Merchant(String name, int cashLimit, int inventorySize)
+	{
+		_name = name;
+		_currentCash = cashLimit;
+		_baseCash = cashLimit;
+		_inventory = new Item[inventorySize];
+	}
+
+	//will restore the current Cash amount back to the base amount
+	//of cash that the merchant started the day with
+	public void refreshCash()
+	{
+		_currentCash = _baseCash;
+	}
+
+	//increments the base amount of cash that the merchant
+	//will start the day with
+	public void incrementCash(int incrementAmount)
+	{
+		_baseCash += incrementAmount;
+	}
+
+	//removes the specified amount from the merchant's current cash
+	public int decrementCash(int decrementAmount)
+	{
+		//checks if the amount attempting to be removed is
+		//greater than the current amount
+		//if true, returns null and outputs error message
+		if(decrementAmount > _currentCash)
+		{
+			System.out.println("Merchant has insufficent cash");
+			return -1;
+		}
+		//if false then removes the decrement amount
+		else
+		{
+			_currentCash -= decrementAmount;
+			return _currentCash;
+		}
+	}
+
+	//randomizer
+	//incomplete method
+	public int randomizer()
+	{
+		//placeholder variable
+		int randomOutput = 0;
+		return randomOutput;
+	}
+
+	//name getter
+	public String getName()
+	{
+		return _name;
+	}
+
+	//current cash getter
+	public int getCurrentCash()
+	{
+		return _currentCash;
+	}
+
+	//base cash getter
+	public int getBaseCash()
+	{
+		return _baseCash;
+	}
+
+	//inventory getter
+	public Item[] getInventory()
+	{
+		return _inventory;
+	}
+}

MerchantRPGCSE2102/src/testMerchant.java

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+import junit.framework.TestCase;
+
+
+public class testMerchant extends TestCase
+{
+	private Merchant m;
+
+	public void setup()
+	{
+		m = new Merchant("Test", 100, 2);
+	}
+
+	public void testCashSystem() throws Exception
+	{
+		setup();
+		assertEquals(-1, m.decrementCash(101));
+		m.incrementCash(100);
+		m.refreshCash();
+		assertEquals(200, m.getCurrentCash());
+		m.decrementCash(120);
+		assertEquals(80, m.getCurrentCash());
+	}
+
+	public void testInventory() throws Exception
+	{
+		setup();
+		assertEquals(2, m.getInventory().length);
+	}
+
+	public void testName() throws Exception
+	{
+		setup();
+		assertEquals("Test", m.getName());
+	}
+}