diff --git a/.gitignore b/.gitignore
index cd4b40e..081cf19 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,19 @@
+*.class
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+*.jar
+*.war
+*.ear
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+
+#mac
+.DS_Store
+
+#IDEA ide
 .idea/
 .out/
-*.class