SetLocomotivesGeneric.java

@@ -0,0 +1,57 @@
+public class SetLocomotivesGeneric <T>
+{
+    private final T[] _places;
+
+    public int Count() {
+        return _places.length;
+    }
+
+    public SetLocomotivesGeneric(int count) {
+        _places = (T[]) new Object[count];
+    }
+
+    public boolean Insert (T locomotive) {
+        return Insert(locomotive, 0);
+    }
+
+    public boolean Insert (T locomotive, int position) {
+        if (position >= _places.length || position < 0) return false;
+        if (_places[position] == null) {
+            _places[position] = locomotive;
+            return true;
+        }
+
+        int emptyEl = -1;
+        for (int i = position + 1; i < Count(); i++)
+        {
+            if (_places[i] == null) emptyEl = i;
+            break;
+        }
+        if (emptyEl == -1)
+        {
+            return false;
+        }
+        for (int i = emptyEl; i > position; i--)
+        {
+            _places[i] = _places[i - 1];
+        }
+        _places[position] = locomotive;
+        return true;
+    }
+
+    public boolean Remove (int position) {
+        if (position >= _places.length || position < 0) return false;
+        _places[position] = null;
+        return true;
+    }
+
+    public T Get(int position)
+    {
+        if (position >= _places.length || position < 0)
+        {
+            return null;
+        }
+        return _places[position];
+    }
+
+}