feat: added support for invoke static

testclass/AdvancedTest.java

@@ -1,7 +1,12 @@
 package testclass;
 
 public class AdvancedTest {
-    public static void Main(String[] args) throws Exception{
+    private static void method() {
+        System.out.println("Hello");
+    }
+
+    public static void main(String[] args) throws Exception{
+        method();
         char c = (char) System.in.read();
         if (c == 'a') {
             System.out.println("Is a");