interface&&interface
علاقة وراثة
interface&®ular class
علاقة implementation
علاقة وراثة
interface&®ular class
علاقة implementation
❤5
Forwarded from S.O.P("قناة مناهج كلية تقنية المعلومات");
Method is overriden not the datamembers, so runtime polymorphism can be achieved by data members
Anonymous Quiz
53%
True
47%
False
public class Person {
String name;
int age;
public Person(String name, int age) {
this.name = name;
this.age = age;
}
public void displayInfo() {
System.out.println(name + " is " + age + " years old.");
}
public static void main(String[] args) {
Person person;
person.displayInfo();
}
}output??
public class Person {
String name;
int age;
public Person(String name, int age) {
this.name = name;
this.age = age;
}
public void displayInfo() {
System.out.println(name + " is " + age + " years old.");
}
public static void main(String[] args) {
Person person;
person. age=20;
person.displayInfo();
}
}❤1
public class Person {
String name;
int age;
Person (int y, String a){
age=y;
name=a;
}
public void displayInfo() {
System.out.println(name + " is " + age + " years old.");
}
public static void main(String[] args) {
Person person=new Person(20,"M");
Person p;
p=person;
p.displayInfo();
}
}👍4❤2
polymorphism in java is a concept by which we can perform a single action in different ways
Anonymous Quiz
86%
✅
14%
❌❌
the most common use of polymorphism in oop occurs when a parent class reference is used to refer a child class object
Anonymous Quiz
54%
upcasting
13%
Downcasting
14%
polymorphism
19%
A&&C
there are two types of polymorphism in java is
Anonymous Quiz
24%
override && overlloding
6%
upcasting&& Downcasting
38%
compile time polymorphism&&runtime polymorphism
32%
A&B