add java examples

java/strategy/Neighborhood.java

@@ -0,0 +1,27 @@
+package patterns.strategy;
+
+import java.util.List;
+
+import patterns.Point;
+/**
+ * 
+ * @author pouyllau
+ *
+ */
+public abstract class Neighborhood  {
+	protected double step;
+	protected Point pMin;
+	protected Point pMax;
+	protected List<Point> directions;
+	
+	
+	public Neighborhood(double step, Point pMin, Point pMax) {
+		super();
+		this.step = step;
+		this.pMin = pMin;
+		this.pMax = pMax;
+	}
+
+	public abstract List<Point> get(Point p);
+	
+}