update ClassLoader

src/main/java/haidnor/jvm/classloader/ClassLoader.java

@@ -46,7 +46,6 @@ public class ClassLoader {
     public Klass loadClass(String classPath) throws IOException {
         ClassParser classParser;
         if (classPath.startsWith("java/")) {
-            String rtJarPath = getRtJarPath();
 
             if (!new File(rtJarPath).exists()) {
                 throw new IllegalStateException("rt.jar not found");
@@ -72,11 +71,4 @@ public class ClassLoader {
         return klass;
     }
 
-    private String getRtJarPath() {
-        // String javaHome = System.getenv("JAVA_HOME");
-        //  Path rtJarPath = Paths.get(javaHome, "jre", "lib", "rt.jar");
-        return rtJarPath;
-    }
-
-
 }

src/test/java/haidnor/jvm/test/demo/Demo4.java

@@ -7,6 +7,7 @@ public class Demo4 {
     public static void main(String[] args) {
         Student student = new Student();
         student.eat();
+        new Thread(() -> {}).start();
     }
 
 }