diff --git a/java-base-projects-task/src/main/java/com/swpu/liwangjun/LMtest.java b/java-base-projects-task/src/main/java/com/swpu/liwangjun/LMtest.java
new file mode 100644
index 0000000000000000000000000000000000000000..1ace043f8eb1e50962521201a751bf3f27b94846
--- /dev/null
+++ b/java-base-projects-task/src/main/java/com/swpu/liwangjun/LMtest.java
@@ -0,0 +1,40 @@
+package com.swpu.liwangjun;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class LMtest {
+    //创建List集合对象
+    List<String> list =new ArrayList<>();
+    //创建Map对象
+
+    Map<String,String> map = new HashMap<>();
+
+
+    public void print(){
+
+        map.put("liwangjunm","1");
+        System.out.println(map);
+    }
+    public List<String> restr(){
+        List<String> list = new ArrayList<String>() ;
+        list.add("StringTest");
+        return list;
+
+    }
+
+    public List<Integer> reint(){
+        List<Integer> list = new ArrayList<Integer>() ;
+        list.add(123);
+        return list;
+
+    }
+
+
+
+
+
+
+}
diff --git a/java-base-projects-task/src/main/java/com/swpu/liwangjun/Task1.java b/java-base-projects-task/src/main/java/com/swpu/liwangjun/Task1.java
new file mode 100644
index 0000000000000000000000000000000000000000..7e80dc2720718d2928c451076993d06138d297a3
--- /dev/null
+++ b/java-base-projects-task/src/main/java/com/swpu/liwangjun/Task1.java
@@ -0,0 +1,22 @@
+package com.swpu.liwangjun;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * @author liwangjun
+ *
+ * 综合应用
+ */
+public class Task1 {
+    public static void main(String[] args) {
+     LMtest  lm=new LMtest();
+     lm.print();
+
+
+        List<String> list =new ArrayList<>();
+        list.add("lwj");
+        System.out.println(   lm.restr());
+        System.out.println( lm.reint());
+    }
+}