diff --git a/.gitignore b/.gitignore
index 524f096..f0efc69 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,6 @@
 # Compiled class file
 *.class
+target
 
 # Log file
 *.log
@@ -22,3 +23,12 @@
 # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
 hs_err_pid*
 replay_pid*
+
+# IDE files
+.idea
+*.iml
+.vscode
+.classpath
+
+# Data files
+data
\ No newline at end of file