diff --git a/java_demo/src/main/java/com/cmower/java_demo/chouxianglei/Test.java b/java_demo/src/main/java/com/cmower/java_demo/chouxianglei/Test.java
new file mode 100644
index 0000000000000000000000000000000000000000..7526a61c17a74989d94b76e3706267b0a046dc52
--- /dev/null
+++ b/java_demo/src/main/java/com/cmower/java_demo/chouxianglei/Test.java
@@ -0,0 +1,9 @@
+package com.cmower.java_demo.chouxianglei;
+
+abstract class Test {
+
+    public static void main(String[] args) {
+        System.out.println("我是抽象类的非抽象方法");
+    }
+
+}
diff --git a/java_demo/src/main/java/com/cmower/java_demo/duoxiancheng/Chenmo.java b/java_demo/src/main/java/com/cmower/java_demo/duoxiancheng/Chenmo.java
new file mode 100644
index 0000000000000000000000000000000000000000..1958285a81893857c862d0c4972484d814c1bf19
--- /dev/null
+++ b/java_demo/src/main/java/com/cmower/java_demo/duoxiancheng/Chenmo.java
@@ -0,0 +1,15 @@
+package com.cmower.java_demo.duoxiancheng;
+
+class Chenmo {
+    private int lineCount = 0;
+    private int wordCount = 0;
+    public void write() {
+        String words = "我这一辈子，走过需要地方的路，行过需要地方的桥，看过许多次的云，喝过许多种类的酒，却只爱过一个正当年龄的人。";
+        System.out.println(words);
+        
+        synchronized (this) {
+            lineCount++;
+            wordCount++;
+        }
+    }
+}