.

interpreter-demo/HelloWorld.java

@@ -0,0 +1,8 @@
+public class HelloWorld {
+
+  public static void main(String[] args) {
+    int val = 1;
+    System.out.println(val);
+  }
+
+}

interpreter-demo/README.md

@@ -43,4 +43,27 @@ $ java -cp target/interpreter-demo.jar com.gxk.demo.hybrid.HybridDemo
 > 2
 ```
 
+## class 文件解释
 
+### Hello world
+```bash
+$ java -jar target/interpreter-demo.jar jvm HelloWorld
+> 1
+
+# or
+$ java -cp target/interpreter-demo.jar com.gxk.demo.jvm.JvmDemo HelloWorld
+> 1
+
+```
+
+### Sum100 
+
+```bash
+$ java -jar target/interpreter-demo.jar jvm Sum100
+> 5050
+
+# or
+$ java -cp target/interpreter-demo.jar com.gxk.demo.jvm.JvmDemo Sum100
+> 5050
+
+```

interpreter-demo/Sum100.java

@@ -0,0 +1,9 @@
+public class Sum100 {
+  public static void main(String[] args) {
+    int sum = 0;
+    for (int i = 1; i <= 100; i++) {
+      sum += i;
+    }
+    System.out.println(sum);
+  }
+}

interpreter-demo/src/main/java/com/gxk/demo/Main.java

@@ -1,12 +1,14 @@
 package com.gxk.demo;
 
 import com.gxk.demo.hybrid.HybridDemo;
+import com.gxk.demo.jvm.JvmDemo;
 import com.gxk.demo.register.RegisterDemo;
 import com.gxk.demo.stack.StackDemo;
+import java.io.IOException;
 
 public class Main{
 
-  public static void main(String[] args){
+  public static void main(String[] args) throws IOException {
     String demo = "";
     if (args.length >= 1) {
       demo = args[0];
@@ -21,10 +23,14 @@ public static void main(String[] args){
         StackDemo stackDemo = new StackDemo();
         stackDemo.run();
         return;
-      default:
+      case "HYBRID":
         HybridDemo hybridDemo = new HybridDemo();
         hybridDemo.run();
         return;
+      default:
+        JvmDemo jvmDemo = new JvmDemo();
+        jvmDemo.run(args[1]);
+        return;
     }
   }
 }