تجمع شيتات واسئلة oop - Telegram 频道 @java2oop 的统计与分析

438

composited object can have their own life cycle

Anonymous voting

438

a composite object cannot exist on its own

Anonymous voting

438

is another one of the core concepts of object oriented programing it focuses on establishing a strong has a relationship between the three class

Anonymous voting

438

has a relationship denotes a whole part relatiosnship where a part cannot exist whithout the whole

Anonymous voting

438

Naming a unchecked exception by checked because it checks at

Anonymous voting

438

a most common example af has relationship in java

Anonymous voting

438

مصطلح constractor chaining

438

كلام مش منطقي لاكن يمشي بلحفظ

438

why multiple inheriance is not supported in java???

438

superclass is typically a more specialized version of its subclass

Anonymous voting

438

https://t.me/Tranquility_n4

438

the transitive natire of inheriance is reflected by this from of inheriance

Anonymous voting

438

type of inheriance 1.single inheriance 2.multilevel inheriance 3.Hierarchical inheriance 4.hybrid inheriance الخامسة متدعمش فيها الجافا 5. multiple inheriance

438

:

interface InterfaceA {
    default void display() {
        System.out.print("#");
    }
}

interface InterfaceB {
    void display();  // دالة مجردة
}

class ImplementationClass implements InterfaceA, InterfaceB {
    @Override
    public void display() {
        System.out.println("Display method in ImplementationClass");
    }
}

public class Main {
    public static void main(String[] args) {
        ImplementationClass obj = new ImplementationClass();
        obj.display();   ImplementationClass
    }
}

438

:

class Shape {
    protected int x;

    public Shape(int x) {
        this.x = x;
        System.out.println("Shape constructor called with x = " + this.x);
    }
}

class Circle extends Shape {
    private int radius;

    public Circle(int x, int radius) {
        
        this.radius = radius;
        System.out.println("Circle constructor called with radius = " + this.radius);
    }
}


public class Main {
    public static void main(String[] args) {
        Circle circle = new Circle(10, 5);  
    }
}

438

class Shape {
    protected int x; // متغير x

    // منشئ يأخذ قيمة String
    public Shape(String x) {
        this.x = Integer.parseInt(x);
        System.out.println("Shape constructor called with x = " + this.x);
    }

    // منشئ فارغ لتعيين قيمة افتراضية لـ x
    public Shape() {
        this.x = 0; // تعيين قيمة افتراضية لـ x
        System.out.println("Default Shape constructor called with x = " + this.x);
    }
}

class Circle extends Shape {
    private int radius;

    // منشئ يأخذ radius فقط ويقوم بتهيئة x مباشرة باستخدام الكونستركتر الافتراضي
    public Circle(int radius) {
        this.radius = radius;
        this.x = 0; // تعيين قيمة مباشرة لـ x إذا كنت لا تريد استخدام super
        System.out.println("Circle constructor called with radius = " + this.radius);
    }

    public void show() {
        System.out.println("Radius: " + radius);
        System.out.println("Shape's x: " + this.x); // الوصول إلى متغير x من الفئة الأساسية
    }
}

public class Program4 {
    public static void main(String[] args) {
        Circle c1 = new Circle(10);
        c1.show();

}}

438

جمعة طيبة للجميع الرجاء ابلاغ جميع الطلبة بان Array list and array of object غير داخلة للامتحان

438

@AcademAidBot.بوت يساعد في حل الاكواد يعطيك الoutput

438

Repost from N/a

الجماعة اللي ياخدو من منهج ال oop ال pdf بتاع سارية راهو في نسخة قديمة(اسمها OOP منهج كامل) ناقصة صفحات عن ال has a ومنعرفش لو في نقص اخرى ف هدي النسخة الجديدة