Java modifiers used in the four permission to create class

Four permission modifier

There are four Java permissions modifier

public > protected > (default) >private

The same class (my own) YES YES YES YES
same package (my son) YES YES YES NO
different buns class (my neighbor) YES YES NO NO
different packages nonsubtyped class (strangers) YES NO NO NO

Note:
(default) is not the keyword "default", but do not write

{
     Public  int num = 37 ;
    protected  int num = 37 ;
    int num = 37 ;
    private  int num = 37 ; 
}