diff --git a/application.properties b/application.properties
new file mode 100644
index 00000000..fdb8b6a5
--- /dev/null
+++ b/application.properties
@@ -0,0 +1,2 @@
+server.port =8080
+# devendra add a new line in this file
\ No newline at end of file
diff --git a/deva.java b/deva.java
new file mode 100644
index 00000000..c2bc5868
--- /dev/null
+++ b/deva.java
@@ -0,0 +1,5 @@
+public class deva {
+    // devnedra made a file
+    //  devendra add a new line to the file
+    //  server.port = 8080
+}
diff --git a/src/com/winterbe/java8/samples/concurrent/application.properties b/src/com/winterbe/java8/samples/concurrent/application.properties
new file mode 100644
index 00000000..d2ed1364
--- /dev/null
+++ b/src/com/winterbe/java8/samples/concurrent/application.properties
@@ -0,0 +1,5 @@
+
+
+server.port =8080
+# devendra made a comment
+server.timeout =2000
\ No newline at end of file
diff --git a/src/com/winterbe/java8/samples/lambda/Lambda1.java b/src/com/winterbe/java8/samples/lambda/Lambda1.java
index 5bb5b658..e442a553 100644
--- a/src/com/winterbe/java8/samples/lambda/Lambda1.java
+++ b/src/com/winterbe/java8/samples/lambda/Lambda1.java
@@ -20,7 +20,8 @@ public int compare(String a, String b) {
                 return b.compareTo(a);
             }
         });
-
+         
+        // Devendra made a change
         Collections.sort(names, (String a, String b) -> {
             return b.compareTo(a);
         });
diff --git a/src/com/winterbe/java8/samples/lambda/Lambda2.java b/src/com/winterbe/java8/samples/lambda/Lambda2.java
index 71e25ec7..37ffc9b6 100644
--- a/src/com/winterbe/java8/samples/lambda/Lambda2.java
+++ b/src/com/winterbe/java8/samples/lambda/Lambda2.java
@@ -19,7 +19,7 @@ String startsWith(String s) {
     interface PersonFactory<P extends Person> {
         P create(String firstName, String lastName);
     }
-
+// Devendra made a comment
     public static void main(String[] args) {
         Converter<String, Integer> integerConverter1 = (from) -> Integer.valueOf(from);
         Integer converted1 = integerConverter1.convert("123");