diff --git a/util/gen.sh b/util/gen.sh
new file mode 100755
index 0000000..4c1098e
--- /dev/null
+++ b/util/gen.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+generateMethod () {
+    local name="${1}"
+    echo -e "    public void method_${name}(){\n        System.out.println(\"method_${name}\");\n    }"
+}
+
+cat > Test.java <<EOF
+public class Test {
+$(for s in `seq 1 100`; do generateMethod ${s}; done)
+}
+EOF
+
+javac -source 1.8 -target 1.8 Test.java
+rm Test.java