diff --git a/c/.gitignore b/c/.gitignore
new file mode 100644
index 0000000..33ec174
--- /dev/null
+++ b/c/.gitignore
@@ -0,0 +1,3 @@
+*.o
+*.so
+*.a
diff --git a/java/.gitignore b/java/.gitignore
new file mode 100644
index 0000000..5e56e04
--- /dev/null
+++ b/java/.gitignore
@@ -0,0 +1 @@
+/bin