diff --git a/java/1.md b/java/1.md
index 448fa59..48d4b70 100644
--- a/java/1.md
+++ b/java/1.md
@@ -1,3 +1,5 @@
 # 编译
 - javac <文件路径 path>
 
+# 运行
+- java <编译后文件名>
\ No newline at end of file