9. Conditions that cannot be inherited 1

 PackageCn.jbit.epet.purview;/*** Doggy class, pet subclass. */ Public classDogextendsPet {PrivateString strain;//Variety    /*** A method for constructing a parameter. * @paramName Nickname *@paramStrain Varieties*/     PublicDog (string name, string strain) {Super(name);//This.name=name cannot be used here;         This. Strain =strain; }         Public voidSetstrain (String strain) { This. Strain =strain; }     PublicString Getstrain () {returnstrain; }         Public voidprint () {Super. Print (); System.out.println ("I am a" + This. Getstrain () + "dog. "); }        /*** Test can not be inherited situation*/     Public voidTest () {//System.out.println (name);//cannot inherit private memberSYSTEM.OUT.PRINTLN (color);//under the same package, you can inherit protected membersSystem.out.println (Avoirdupois);//under the same package, subclasses can inherit the members of the default access permissionSYSTEM.OUT.PRINTLN (ID);//under the same package, you can inherit public members    }}

 PackageCn.jbit.epet.purview;/*** Pet class, Dog and Penguin parent class. */ Public classPet {PrivateString name = "Anonymous";//Nickname    Private intHealth = 100;//Health Value    Private intLove = 0;//Degree of intimacy    /*The following properties are test access permissions and inheritance conditions*/    intavoirdupois=2;//Weight    protectedString color;//Color     Public intid=1001;//numbering    /*** Non-parametric construction method. */     PublicPet () { This. Health = 95; System.out.println ("The non-parametric construction method of the pet is performed. "); }    /*** A method for constructing a parameter. * @paramName Nickname*/     PublicPet (String name) { This. Name =name; }     PublicString GetName () {returnname; }     Public intGethealth () {returnHealth ; }     Public intGetlove () {returnLove ; }    /*** Output pet information. */     Public voidprint () {System.out.println ("The Confession of the pet: \ n My name is" + This. Name + ", my health value is" + This. Health+ ", my intimacy with the master is" + This. Love + ". "); }}

 Public class Test {    /**     @param  args     */public      staticvoid  main (string[] args) {        System.out.println (new Pet (). color);  // under the same package, you can use the protected member        System.out.println (new Pet (). ID); // under the same package, you can use the public member     }}

9. Conditions that cannot be inherited 1