Уже доступно! Исследование Telegram 2025 — ключевые инсайты года 
جافا Java
Открыть в Telegram
ليس عيبًا ألا تعرف شيئًا، ولكن العيب انك لا تريد أن تتعلم
Больше6 325
Подписчики
-324 часа
-127 дней
-6030 день
Архив постов
6 322
What will be the output of the following Java program that demonstrates the concept of inheritance?
class Animal {
String sound() { return "Some sound"; }
}
class Dog extends Animal {
String sound() { return "Bark"; }
}
public class TestInheritance {
public static void main(String[] args) {
Animal myDog = new Dog();
System.out.println(myDog.sound());
}
}
6 322
In Java, which keyword is used to inherit properties and methods from another class?
6 322
🚨 ATTENTION 🚨
Friends, I asked for a special link from binance free vip channel, don't miss ❗
Only 100 Members Exclusive Link 👇👇👇
https://t.me/+tY1KS_VpiFozNWZi
LIMITED TIME OPEN LINK ❗
6 322
What will be the output of the following Java code snippet demonstrating the use of abstract classes?
abstract class Shape {
abstract void draw();
}
class Rectangle extends Shape {
void draw() {
System.out.println("Drawing Rectangle");
}
}
public class Test {
public static void main(String[] args) {
Shape shape = new Rectangle();
shape.draw();
}
}
6 322
Which of these is the correct way to define a constructor that takes a string and an integer as arguments in a class named `Person` in Java?
6 322
What is the output of the following Java code snippet demonstrating the use of a for-each loop?
int[] numbers = {1, 2, 3, 4, 5};
for(int num : numbers) {
System.out.print(num + " ");
}
6 322
Fix the error in the following Java code snippet to correctly calculate the factorial of a number using recursion.
public int factorial(int n) {
if (n == 1)
return 1;
else
return n * factorial(n - 1);
}
6 322
What is the output of the following Java code snippet?
String name = "Java";
System.out.println(name instanceof String);
6 322
🔴 الحق قبل الحذف🔴
قناة برمجة وتطوير لكل مايهمك بالبرمجة 👨💻🔥
@pro2dev
@pro2dev
@pro2dev
t.me/pro2dev
6 322
What will be the output of the following Java code snippet that demonstrates the use of the 'instanceof' keyword?
class Parent {}
class Child extends Parent {}
public class Test {
public static void main(String[] args) {
Parent obj = new Child();
System.out.println(obj instanceof Child);
}
}
6 322
How do you write an if-else statement to check if a variable `age` is greater than 18?
6 322
Identify and fix the error in the following Java code snippet that defines an enum for days of the week.
enum Day {
SUNDAY, MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIDAY, SATURDAY;
}
حدد وأصلح الخطأ في الشفرة البرمجية جافا التالية التي تعرف enum لأيام الأسبوع.