--- /dev/null
+
+public class CallBack implements CallBackInterface {
+
+ /**
+ * Class Properties
+ */
+ private int intA;
+
+ /**
+ * Constructors
+ */
+ public CallBack(int _i) {
+
+ intA = _i;
+ }
+
+
+ public int printInt() {
+
+ System.out.println("Integer: " + intA);
+ return intA;
+ }
+
+
+ public void setInt(int _i) {
+
+ intA = _i;
+ }
+}