diff --git a/day02/src/com/inmind/yunsuanfu02/Demo10.java b/day02/src/com/inmind/yunsuanfu02/Demo10.java
new file mode 100644
index 0000000..f18974a
--- /dev/null
+++ b/day02/src/com/inmind/yunsuanfu02/Demo10.java
@@ -0,0 +1,15 @@
+package com.inmind.yunsuanfu02;
+/*
+运算符_比较运算符
+==,>,< ,>=,<=,!=
+*/
+public class Demo10 {
+    public static void main(String[] args) {
+        System.out.println(1==1);//true
+        System.out.println(1<2);//true
+        System.out.println(3>4);//false
+        System.out.println(3<=4);//true
+        System.out.println(3>=4);//false
+        System.out.println(3!=4);//true
+    }
+}