Add license boiler plate

examples/java/LinearProgramming.java

@@ -10,7 +10,8 @@
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
-package com.google.ortools.java;
+
+package com.google.ortools.samples;
 
 import com.google.ortools.Loader;
 import com.google.ortools.linearsolver.MPConstraint;
@@ -20,6 +21,7 @@ import com.google.ortools.linearsolver.MPVariable;
 
 /**
  * Linear programming example that shows how to use the API.
+ *
  */
 public class LinearProgramming {
   private static void runLinearProgrammingExample(String solverType, boolean printModel) {