[I] After compiling and cleaning bug with comments and after delete commented code text, the bug still exist [netbeans]

[via GitHub]

AndrewSkuratov opened a new issue, #8320:
URL: https://github.com/apache/netbeans/issues/8320

   ### Apache NetBeans version
   
   Apache NetBeans 25
   
   ### What happened
   
   I wrote this code:
   
   `package Lesson24;
   
   public class Test5_2 {
   }
   interface I1{
       default void abc(){System.out.println("eto metod abc");}
       static void def(){System.out.println("Static method");}
   }
   
   
   interface I2 extends I1{
     default void abc(){System.out.println("abc metod ot I2 интерфейса");}
   }
   
   
   
   class R implements I1,I2{
       public static void main(String [] args) {
           I1.def();
           R r1 = new R();
           r1.abc();
       }
   }
   
   //class Z2 implements I1{
   //    public void abc(){System.out.println("eto metod abc");}
   //    public static void main(String [] args) {
   //        Z2 z = new Z2();
   //        z.abc();
   //        I1.def(); // к статическим методам интерфейса можно обратиться 
только через название самого интерфейса.
   //        z.ghi();
   //    }
   //    public void ghi(){System.out.println("eto metod ghi");}
   //}
   
   `
   
   
   ---------------------------------------
   after that i try to comment this lines: 
   `interface I2 extends I1{
     default void abc(){System.out.println("abc metod ot I2 интерфейса");}
   }`
   
   the code was this:
   
   `package Lesson24;
   
   public class Test5_2 {
   }
   interface I1{
       default void abc(){System.out.println("eto metod abc");}
       static void def(){System.out.println("Static method");}
   }
   
   
   //interface I2 extends I1{
   //  default void abc(){System.out.println("abc metod ot I2 интерфейса");}
   //}
   
   
   
   class R implements I1,I2{
       public static void main(String [] args) {
           I1.def();
           R r1 = new R();
           r1.abc();
       }
   }
   
   //class Z2 implements I1{
   //    public void abc(){System.out.println("eto metod abc");}
   //    public static void main(String [] args) {
   //        Z2 z = new Z2();
   //        z.abc();
   //        I1.def(); // к статическим методам интерфейса можно обратиться 
только через название самого интерфейса.
   //        z.ghi();
   //    }
   //    public void ghi(){System.out.println("eto metod ghi");}
   //}
   `
   
   -----------------------
   and then I saw the same output like this important line "abc metod ot I2 
интерфейса" which after rebuilding and cleaning project in NetBeans was still 
appear:
   
   run:
   Picked up JAVA_TOOL_OPTIONS: -Dfile.encoding=UTF-8 -Dsun.jnu.encoding=UTF-8 
-Dsun.stdout.encoding=UTF-8 -Dsun.stderr.encoding=UTF-8 -Dconsole.encoding=UTF-8
   Static method
   abc metod ot I2 интерфейса
   BUILD SUCCESSFUL (total time: 0 seconds)
   
   ### Language / Project Type / NetBeans Component
   
   Java
   
   ### How to reproduce
   
   Please try to comment this lines: 
   
   //interface I2 extends I1{
   //  default void abc(){System.out.println("abc metod ot I2 интерфейса");}
   //}
   
   and then compile and run,
   than if bug still appear, try to delete this code lines and try to clean and 
rebuild and run.
   
   ### Did this work correctly in an earlier version?
   
   No / Don't know
   
   ### Operating System
   
   Windows 11 Pro, 24H2
   
   ### JDK
   
   23
   
   ### Apache NetBeans packaging
   
   Apache NetBeans provided installer
   
   ### Anything else
   
   Today I try to continue learn the lesson, and... this problem was occurred.
   
   I think, that after first compiling the program code, some compiled files 
was created, and then, they didn't want to be replaced with new compiled code, 
or something like that...
   
   ### Are you willing to submit a pull request?
   
   Yes


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