diff --git a/java-base-projects-task/src/main/java/com/swpu/test1.java b/java-base-projects-task/src/main/java/com/swpu/test1.java
new file mode 100644
index 0000000000000000000000000000000000000000..5d2bb5864b3bbd65f3f420422a1aa017ba358f79
--- /dev/null
+++ b/java-base-projects-task/src/main/java/com/swpu/test1.java
@@ -0,0 +1,36 @@
+package com.swpu.wangsiyi;
+
+import com.swpu.weiyu.Task2;
+
+import java.util.List;
+import java.util.Map;
+
+
+public class test1
+{
+    public static void main(String[] args)
+    {
+        test2 t2 = new test2();
+        t2.test1();
+        var add = t2.addMethod();
+        System.out.println("整型、有返回值、没有参数 的方法调用: " + add);
+        var multi = t2.multiMethod(3);
+        System.out.println("整型、有返回值、有参数 的方法调用: " + multi);
+        var string = t2.stringMethod();
+        System.out.println("字符 - 有返回值、没有参数 的方法调用: " + string);
+        var string2 = t2.stringMethod2(" String类型 ");
+        System.out.println("字符 - 有返回值、有参数 的方法调用: " + string2);
+        List<String> list = t2.listMethod();
+        System.out.println("List - 有返回值、没有参数 的方法调用: " + list);
+        List<String> list1 = t2.listMethod2("List 类型");
+        System.out.println("List - 有返回值、有参数 的方法调用: " + list1);
+        Map<String, Object> map = t2.mapMethod();
+        System.out.println("Map - 有返回值、没有参数 的方法调用: " + map);
+        Map<String, Object> map1 = t2.mapMethod2("Map 类型");
+        System.out.println("Map - 有返回值、有参数 的方法调用: " + map1);
+        Object object = t2.objectMethod();
+        System.out.println("Object - 有返回值、没有参数 的方法调用: " + object);
+        Object object1 = t2.objectMethod2("Object 类型");
+        System.out.println("Object - 有返回值、有参数 的方法调用: " + object1);
+    }
+}
diff --git a/java-base-projects-task/src/main/java/com/swpu/test2.java b/java-base-projects-task/src/main/java/com/swpu/test2.java
new file mode 100644
index 0000000000000000000000000000000000000000..4d15c518c9c0fa2bf2916599042d4854feafdd0b
--- /dev/null
+++ b/java-base-projects-task/src/main/java/com/swpu/test2.java
@@ -0,0 +1,61 @@
+package com.swpu.wangsiyi;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class test2 {
+    public void test1() {
+        System.out.println("Hello World !");
+    }
+    public static void main(String[] args) {
+        public int addMethod()
+    {
+            var y = 1 + 1;
+            return y;
+        }
+        public int multiMethod(int x)
+        {
+            var y = x * 2;
+            return y;
+        }
+        public String stringMethod()
+    {
+            var str = "String 有返回值，没有参数 的方法";
+            return str;
+        }
+        public String stringMethod2(String string) {
+            var str = "String 有返回值，有参数 的方法" + string;
+            return str;
+        }
+        public List<String> listMethod() {
+            var list = new ArrayList<String>();
+            list.add("List - 有返回值，没有参数 的方法");
+            return list;
+        }
+        public List<String> listMethod2(String name) {
+            var list = new ArrayList<String>();
+            list.add(name);
+            return list;
+        }
+        public Map<String, Object> mapMethod() {
+            var map = new HashMap<String, Object>();
+            map.put("身份证", "131231231231231321");
+            return map;
+        }
+        public Map<String, Object> mapMethod2(String name) {
+            var map = new HashMap<String, Object>();
+            map.put("名称", name);
+            return map;
+        }
+        public Object objectMethod() {
+            var name = "WEI_YU";
+            return name;
+        }
+        public Object objectMethod2(String name) {
+            var age = 24;
+            return "名称: " + name + " & age: " + age;
+        }
+    }
+}