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: Apr 21, 2026

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Question 1

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 2

Given:

What is the result?

A : An exception is thrown at runtime.

B : InitializedStartedInitialized

C : InitializedStarted

D : Compilation fails.

Answer: D

Question 3

Which of the following method is declared in Predicate interface?

A : boolean check(T t);

B : boolean verify(T t);

C : boolean validate(T t);

D : boolean test(T t);

Answer: D

Question 4

Given:

What is the result?

A : Compilation fails at line n3 and line n4.

B : Compilation fails at line n1 and line n2.

C : Welcome Visit Count:1 Welcome Visit Count: 1

D : Welcome Visit Count:1 Welcome Visit Count: 2

Answer: B

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: Apr 21, 2026

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