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");

testclass/Test.java

@@ -3,7 +3,7 @@ package testclass;
 public class Test {
     String testfield;
     public static int otherField;
-	public static void Main(String[] args) {
+	public static void main(String[] args) {
 		System.out.println("Hello World!");
 	}
 }