
OOP Review
Authored by Alvin Tjondrowiguno
Information Technology (IT)
University
Used 2+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Dari beberapa pilihan di bawah ini, mana saja yang bisa dibuat menjadi instance / object?
Class biasa dan Anonymous class
Abstract class dan Interface
Abstract class dan Class biasa
Interface dan Anonymous class
2.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Perhatikan code berikut ini. Pilihlah implementasi fungsi main() yang menghasilkan output "Print B" ketika dijalankan!
3.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Mana relasi antar class yang tidak bisa dibuat?
Interface extends Interface
AbstractClass extends AbstractClass
AbstractClass implements Interface
Interface extends AbstractClass
4.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Untuk membuat Class Point sebagai Composition dari Class Circle seperti tampak di Class Diagram dibawah, maka Constructor variabel center harus berisi ...
Point(x, y)
new Point(x, y)
new Circle(x, y)
Point(center)
5.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Yang akan menghasilkan error jika ditambahkan dalam program dibawah ini adalah ...
public double Produksi(double x, double y, String z) { ..... }
public int Produksi(int x, int y, int z) { ..... }
public double Produksi(double x, double y) { ..... }
public String Produksi(double x, double y, double z) { ..... }
6.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Perhatikan coding dibawah ini. Ada 2 Class: Class Page dan Class Book. Relasi mana yang paling cocok menggambarkan hubungan ke dua kelas diatas?
Page IS-A Book
Page HAS-A Book
Book HAS-A Page
Book IS-A Page
7.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Agar variabel dalam sebuah Class dapat diakses hanya oleh class tersebut dan semua class lain dalam package yang sama, maka pada deklarasi variabel kita tambahkan modifier:
Private
Public
Protected
Tanpa modifier
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