Consider the following class definitions [Perhatikan penakrifan kelas-kelas berikut] 1 //Program 9.25 2 3 4 5...

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Consider the following class definitions [Perhatikan penakrifan kelas-kelas berikut] 1 //Program 9.25 2 3 4 5 } public abstract class Card ( String recipient; public abstract void greeting(); 1 //Program 9.26 2 class KadRaya extends Card { public KadRaya ( String r ) { recipient = r; } public void greeting () { 7 8 9 ) 10 1 System.out.println("Dear "+recipient + ",\n"); System.out.println("Selamat Hari Raya! \n\n"); 250 50 Scanned with CamScanner LAB 9: POLYMORPHISM-DYNAMIC BINDING & ABSTRACT & INTERFACE 1 //Program 9.27 2 class Birthday extends Card { int age; public Birthday (String r, int years ) { 5 7 8 } 9 10 11 12 recipient = r; age years; public void greeting () { System.out.println("Dear " + recipient + "\n"); System.out.println("Happy "+age+"th Birthday\n"); 13 } 14 } i. ii. Draw the UML class diagram to show the relationship among classes. [Lukiskan rajah kelas UML untuk menunjukkan hubungan antaraa kelas- kelas.] Write the test program named CardTester to instantiate objects from different classes. [Tuliskan aturcara pengujian bernama CardTester untuk mencipa objek daripada kelas-kelas berlainan.] iii. Write another subclass named Wedding that inherits from Card class. Set the appropriate greeting. Modify the CardTester to instantiate object of Wedding. [Tuliskan subkelas yang lain bernama Wedding yang mewarisi daripada kelas Card. Setkan ucapan yang bersesuaian. Ubahsuai CardTester untuk mencipa objek bagi Wedding.] iv. Modify the abstract class Card so that the instance variable is of type protected. Test the application from the CardTester program. [Ubahsuai kelas abstrak Card supaya pembolehubah instan adalah Uji aplikasi ini daripada berjenis protected CardTester.] aturcara V. Modify the abstract class Card so that the instance variable is of type private. Write the relevant constructor, accessor and mutator methods. Modify all other classes that relates to that instance. [Ubahsuai kelas abstrak Card supaya pembolehubah instan adalah berjenis private. Tuliskan konstruktor, metod pencapai dan metod Ubahsuai semua kelas-kelas lain yang mutator yang bersesuaian. berkaitan dengan instan tersebut.] Consider the following class definitions [Perhatikan penakrifan kelas-kelas berikut] 1 //Program 9.25 2 3 4 5 } public abstract class Card ( String recipient; public abstract void greeting(); 1 //Program 9.26 2 class KadRaya extends Card { public KadRaya ( String r ) { recipient = r; } public void greeting () { 7 8 9 ) 10 1 System.out.println("Dear "+recipient + ",\n"); System.out.println("Selamat Hari Raya! \n\n"); 250 50 Scanned with CamScanner LAB 9: POLYMORPHISM-DYNAMIC BINDING & ABSTRACT & INTERFACE 1 //Program 9.27 2 class Birthday extends Card { int age; public Birthday (String r, int years ) { 5 7 8 } 9 10 11 12 recipient = r; age years; public void greeting () { System.out.println("Dear " + recipient + "\n"); System.out.println("Happy "+age+"th Birthday\n"); 13 } 14 } i. ii. Draw the UML class diagram to show the relationship among classes. [Lukiskan rajah kelas UML untuk menunjukkan hubungan antaraa kelas- kelas.] Write the test program named CardTester to instantiate objects from different classes. [Tuliskan aturcara pengujian bernama CardTester untuk mencipa objek daripada kelas-kelas berlainan.] iii. Write another subclass named Wedding that inherits from Card class. Set the appropriate greeting. Modify the CardTester to instantiate object of Wedding. [Tuliskan subkelas yang lain bernama Wedding yang mewarisi daripada kelas Card. Setkan ucapan yang bersesuaian. Ubahsuai CardTester untuk mencipa objek bagi Wedding.] iv. Modify the abstract class Card so that the instance variable is of type protected. Test the application from the CardTester program. [Ubahsuai kelas abstrak Card supaya pembolehubah instan adalah Uji aplikasi ini daripada berjenis protected CardTester.] aturcara V. Modify the abstract class Card so that the instance variable is of type private. Write the relevant constructor, accessor and mutator methods. Modify all other classes that relates to that instance. [Ubahsuai kelas abstrak Card supaya pembolehubah instan adalah berjenis private. Tuliskan konstruktor, metod pencapai dan metod Ubahsuai semua kelas-kelas lain yang mutator yang bersesuaian. berkaitan dengan instan tersebut.]

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i Test java program named CardTester to instantiate objects from different classes CardTesterjava public class CardTester public static void mainStrin... View the full answer