Free Oracle 1Z0-808 Exam Questions

Become Oracle Certified with updated 1Z0-808 exam questions and correct answers

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Total 608 Questions | Updated On: Jul 01, 2026

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Question 1

Which of the following is not a valid array declaration?

A : int arr4[][] = new int[][8];

B : int [] arr1 = new int[8];

C : int [] arr3 [] = new int[8][];

D : int [][] arr2 = new int[8][8];

Answer: A

Question 2

Given the code fragment:

What is the result?

A : [Robb, Rick, Bran]

B : [Robb, Rick]

C : [Robb, Bran, Rick, Bran]

D : An exception is thrown at runtime

Answer: A

Question 3

Which statement best describes encapsulation?

A : Encapsulation ensures that classes can be designed so that only certain fields and methods of an object are accessible from other objects

B : Encapsulation ensures that classes can be designed so that their methods are inheritable.

C : Encapsulation ensures that classes can be designed with some fields and methods declared as abstract.

D : Encapsulation ensures that classes can be designed so that if a method has an argument MyType x, any subclass of MyType can be passed to that method

Answer: A

Question 4

Range of short data type is from -32768 to 32767

Which of the following code segments, written inside main method will compile successfully?

Select 3 options.

A : short s2 = 32768;

B : final int i3 = 10;short s3 = i3;

C : int i7 = 10;short s7 = i7;

D : final int i5 = 10;short s5 = i5 + 100;

E : short s1 = 10;

F : final int i4 = 40000;short s4 = i4;

G : final int m = 25000;final int n = 25000;short s6 = m + n;

Answer: B,D

Question 5

What will be the result of compiling and executing Test class?

package com.udayan.oca;

public class Test {

private static void add(double d1, double d2) {

System.out.println("double version: " + (d1 + d2));

}

private static void add(Double d1, Double d2) {

System.out.println("Double version: " + (d1 + d2));

}

public static void main(String[] args) {

add(10.0, null);

}

A : Double version: 10.0

B : An exception is thrown at runtime

C : Compilation error

Answer: B

Page: 1 / 122

Total 608 Questions | Updated On: Jul 01, 2026

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