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Oracle tərəfindən yayınlanmış Java sertifikat imtahanı sualı nümunələri

java exam questions
Written by Mushfiq Mammadov

Oracle öz rəsmi blogunda bir sıra Java sertifikat imtahanlarına dair sual nümunələri paylaşıb. Həmin imtahanların siyahısı aşağıda qeyd olunub:

Java SE 7 Programmer I | 1Z0-803

1. Given:

What is the result?
A) 20
B) 100
C) 1000
D) 2

..daha çox sual və cavab..

Java SE 7 Programmer I | 1Z0-804

1. Given:

And the code fragment:

What is the result?
A) 2 3 5 7
B) 2 7 5 3
C) 7 5 3 2
D) Compilation fails.

..daha çox sual və cavab..

Upgrade to Java SE 7 Programmer | 1Z0-805

1. Given:

What is the result?
A) t 2 1 f
B) t 1 2 f
C) Compilation fails due to errors on lines A1 and B1.
D) Compilation fails due to errors on lines A2 and B2.

..daha çox sual və cavab..

Java SE 8 Programmer I | 1Z0-808

1. Given:

What is the result?
A) null
B) 10
C) 0
D) An IndexOutOfBoundsException is thrown at runtime.

..daha çox sual və cavab..

Java SE 8 Programmer II | 1Z0-809

1. Given:

Which two statements are true about Customer?
A) The Customer class cannot be extended.
B) The Customer class cannot be instantiated.
C) Subclasses of Customer cannot override getName() method.
D) Concrete subclasses of Customer must use a default constructor.
E) Concrete subclasses of Customer must implement the buy() method.
F) Subclasses of Customer must implement the buy() method.

..daha çox sual və cavab..

Upgrade Java SE 7 to Java SE 8 OCP Programmer | 1Z0-810

1. Given the code fragment:

Which code fragment can be inserted at Line n1 to enable the class compile?

A)    private class Invoice {
void print() { System.out.println("Invoice Printed"); }
}

B)    public class Invoice {
void print() {System.out.println("Invoice Printed");}
}

C)    class Invoice {
void print() {System.out.println("Invoice Printed");}
}

D)   protected class Invoice {
void print() {System.out.println("Invoice Printed");}
}

..daha çox sual və cavab..

Upgrade to Java SE 8 OCP ( Java SE 6 and all prior versions) | 1Z0-813

1. Which code fragment correctly assign a numeric literal?

A) byte b1 = b1011;
B) byte b2 = 1011b;
C) byte b3 = 0b1001;
D) byte b4 = 0xb001;

..daha çox sual və cavab..

Java SE 5 and 6, Certified Associate | 1Z0-850

1) You are creating a space flight simulation for a start-up aeronautics company. This simulation program must calculate the orbital mechanics and display the flight path on a graphics screen.

What type of data is most appropriate for calculating the orbital mechanics equations?
a) pixel
b) boolean
c) integer
d) floating point (*)
e) enumerated type

..daha çox sual və cavab..

Java SE 6 Programmer Certified Professional | 1Z0-851

1) Given:

And four declarations:
I.   Foo doStuff(int x) { return new Foo(); }
II.  Foo doStuff(int x) { return new SuperFoo(); }
III. SuperFoo doStuff(int x) { return new Foo(); }
IV.  SuperFoo doStuff(int y) { return new SuperFoo(); }

Which, inserted independently at line 8, will compile?
a) Only I.
b) Only IV.
c) Only I and III.
d) Only I, II, and III.
e) Only I, III, and IV. (*)
f) All four declarations will compile.

..daha çox sual və cavab..

 

Mənbə: Oracle Blog

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Mushfiq Mammadov

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