والرسالة هي .system package doesnt exist وهذة الرسالة مع كل الاكواد run: Exception in thread "main" java.lang.RuntimeException: Uncompilable source code - Erroneous sym type: system.out.println at javaapplication1.JavaApplication1.main(JavaApplication1.java:20) C:\Users\boss\AppData\Local\NetBeans\Cache\8.2\executor-snippets\run.xml:53: Java returned: 1 BUILD FAILED (total time: 5 seconds) ارجو المساعدة