first commit

Semester 1/Programming 1/Java/examples/projects/chapter12/foxes-and-rabbits-v2/Counter.java

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+import java.awt.Color;
+
+/**
+ * Provide a counter for a participant in the simulation.
+ * This includes an identifying string and a count of how
+ * many participants of this type currently exist within 
+ * the simulation.
+ * 
+ * @author David J. Barnes and Michael Kölling
+ * @version 2016.02.29
+ */
+public class Counter
+{
+    // A name for this type of simulation participant
+    private String name;
+    // How many of this type exist in the simulation.
+    private int count;
+
+    /**
+     * Provide a name for one of the simulation types.
+     * @param name  A name, e.g. "Fox".
+     */
+    public Counter(String name)
+    {
+        this.name = name;
+        count = 0;
+    }
+    
+    /**
+     * @return The short description of this type.
+     */
+    public String getName()
+    {
+        return name;
+    }
+
+    /**
+     * @return The current count for this type.
+     */
+    public int getCount()
+    {
+        return count;
+    }
+
+    /**
+     * Increment the current count by one.
+     */
+    public void increment()
+    {
+        count++;
+    }
+    
+    /**
+     * Reset the current count to zero.
+     */
+    public void reset()
+    {
+        count = 0;
+    }
+}