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PBO Minggu 7 [IT-45-04]

Authored by Muhammad Johan Alibasa

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University

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PBO Minggu 7 [IT-45-04]
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Manakah yang bukan merupakan sifat dari widening casting?

Dapat melakukan konversi secara otomatis

Kedua tipe yang dikonversi harus compatibel

Proses deklarasi tipenya harus eksplisit

Tipe tujuan harus lebih besar/tinggi levelnya dari sumbernya

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Manakah yang merupakan Widening casting?

Double ke Integer

Integer ke Long

Float ke Integer

Double ke Float

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Manakah yang merupakan narrowing casting?

Short ke Integer

Long ke Double

Integer ke Float

Long ke Integer

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Perhatikan kode program pada gambar di samping ini, apabila pada class driver terdapat kode program di bawah ini, manakah output yang paling tepat?

ChildA obj1 = new ChildA();

System.out.println( obj1.toString() );

this is class Parent

this is class Child A

this is class Child B

this is class Grand Child

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Perhatikan kode program pada gambar di samping ini, apabila pada class driver terdapat kode program di bawah ini, manakah output yang paling tepat?

ChildA obj1 = new GrandChildA();

System.out.println( obj1.toString() );

this is class Parent

this is class Child A

this is class Child B

this is class Grand Child

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Berdasarkan kode program pada gambar di samping dan kode program di class driver di bawah ini, manakah output yang paling sesuai?

ChildA ob1 = new GrandChildA();

System.out.println( obj1.methodA() );

method child A

method Grand Child A

method Child B

Exception/Error: Cannot find symbol

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Berdasarkan kode program pada gambar di samping dan kode program di class driver di bawah ini, manakah output yang paling sesuai?

ChildA ob1 = new GrandChildA();

System.out.println( obj1.toString() );

Parent 10

Child A 20

Child B 30

Grand Child 40

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