diff --git a/java-base-projects-task/src/main/java/com/swpu/zhongxiangyu/cococ0la.java b/java-base-projects-task/src/main/java/com/swpu/zhongxiangyu/cococ0la.java
new file mode 100644
index 0000000000000000000000000000000000000000..f57dbcf741a8faf0c2b724f8e46357be2097ee00
--- /dev/null
+++ b/java-base-projects-task/src/main/java/com/swpu/zhongxiangyu/cococ0la.java
@@ -0,0 +1,33 @@
+package com.swpu.zhongxiangyu;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+public class cococ0la {
+    String name(String a){
+    return a;
+}
+    int age(int b){
+
+        return b;
+
+    }
+    void sex(){
+        System.out.println("boy");
+    }
+    Map<String,String> flat(){
+        Map<String,String> map=new HashMap<>();
+        List<String> list=new ArrayList<>();
+        list.add("wulianwang");
+        list.add("jisuanjizuchengyuanli");
+        list.add("sql");
+        list.add("shujujiegou");
+        for(var i=1;i<=list.size();i++){
+
+            map.put(list.get(i-1),i+100+"分");
+
+        }
+        return map;
+    }
+
+}