diff --git a/src/test/java/November/StringStr.java b/src/test/java/November/StringStr.java
index 2ea75b3..ec0f0dd 100644
--- a/src/test/java/November/StringStr.java
+++ b/src/test/java/November/StringStr.java
@@ -2,6 +2,9 @@
 
 public class StringStr {
 	public static void main(String[] args) {
-		System.out.println("Hello");
+		String str = "masum";
+		String str2 = "";
+		str = str.concat("raza");
+		System.out.println(str);
 	}
 }
diff --git a/target/test-classes/November/StringStr.class b/target/test-classes/November/StringStr.class
index 200045b..016d2f8 100644
Binary files a/target/test-classes/November/StringStr.class and b/target/test-classes/November/StringStr.class differ