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Let A be a class, a et b two objects of type A, when can you make a+b ?
Author: SamuelStatus: PublishedQuestion passed 455 times
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Auteur anonyme
14/08/2023
I think there is a typo in the question
Auteur anonyme
03/11/2023
Can you be more precise, where is the typo ?
Auteur anonyme
31/03/2024
French / english typo.
Let A be a class, a (**et ** should be **and**) b two objects of type A, when can you make a+b ?
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In this code, the class B extends the class A. The class B overrides the method talk() from the class A. The object b is an instance of the class B. The object a is an instance of the class A. The object a is assigned to the object b. The object a calls the method talk(). The method talk() from the class B is called.1
What does the following code return ?
public class A {
public void talk() {
echo "I am A"
}
public secretTalk() {
this.talk()
}
}
public class B extends A {
private void talk() {
echo "I am B"
}
public secretTalk() {
this.talk()
}
}
A b = new B()
b.talk()
b.secretTalk()
Answer : "I am A" "I am B"