ContohSubclass - HermanTolle.com

PEMROGRAMAN LANJUT
Informatika FILKOM UB
Semester Genap 2015/2016
PEWARISAN / INHERITANCE
Contoh Hirarki Kelas
Dr. Eng. Herman Tolle
Program Teknologi Informasi & Ilmu Komputer, Universitas Brawijaya
Contoh Inheritance
Superclass-Subclass
Example: Shared Functionality
public class Student {
String name;
char gender;
Date birthday;
Vector<Grade> grades;
public class Professor {
String name;
char gender;
Date birthday;
Vector<Paper> papers;
double getGPA() {
…
}
int getCiteCount() {
…
}
int getAge(Date today) {
…
}
int getAge(Date today) {
…
}
}
Java Programming: Program
Design Including Data
Structures
}
4
public class Person {
String name;
char gender;
Date birthday;
int getAge(Date today) {
…
}
}
public class Student
extends Person {
public class Professor
extends Person {
Vector<Grade> grades;
Vector<Paper> papers;
double getGPA() {
…
}
int getCiteCount() {
…
}
}
Java Programming: Program
Design Including Data
Structures
}
5
UML Inheritance Diagrams
• Figure 8.2 A class
hierarchy in
UML notation
UML Inheritance Diagrams
• Figure 8.3
Some details
of UML class
hierarchy
from
figure 8.2
Java Hirarki