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Oracle 1Z0-808 Exam

Certification Provider: Oracle
Exam Name: Java SE 8 Programmer I
Duration: 150 Minutes
Number of questions in our database: 223
Exam Version: May. 19, 2023
1Z0-808 Exam Official Topics:
  • Topic 1: Define The Scope Of Variables/ Define The Structure Of A Java Class
  • Topic 2: Create Executable Java Applications With A Main Method/ Run A Java Program From The Command Line; Produce Console Output
  • Topic 3: Import Other Java Packages To Make Them Accessible In Your Code
  • Topic 4: Compare And Contrast The Features And Components Of Java Such As: Platform Independence, Object Orientation, Encapsulation
  • Topic 5: Using Operators And Decision Constructs/ Use A Switch Statement, Create If And If/Else And Ternary Constructs
  • Topic 6: Use Java Operators; Use Parentheses To Override Operator Precedence
  • Topic 7: Create And Use While Loops, Create And Use Do/While Loops, Compare Loop Constructs, Use Break And Continue
  • Topic 8: Create And Use For Loops Including The Enhanced For Loop
  • Topic 9: Describe Inheritance And Its Benefits/ Determine When Casting Is Necessary/ Use Abstract Classes And Interfaces
  • Topic 10: Develop Code That Makes Use Of Polymorphism; Develop Code That Overrides Methods/ Differentiate Between The Type Of A Reference And The Type Of An Object
  • Topic 11: Use Super And This To Access Objects And Constructors/ Working With Selected Classes From The Java API
  • Topic 12: Manipulate Data Using The Stringbuilder Class And Its Methods/ Create And Manipulate Calendar Data Using Classes From Java.Time.Localdatetime
  • Topic 13: Declare And Initialize Variables (Including Casting Of Primitive Data Types)/ Differentiate Between Object Reference Variables And Primitive Variables
  • Topic 14: Know How To Read Or Write To Object Fields/ Explain An Object's Lifecycle (Creation, "Dereference By Reassignment" And Garbage Collection)
  • Topic 15: Develop Code That Uses Wrapper Classes Such As Boolean, Double, And Integer/ Create Methods With Arguments And Return Values; Including Overloaded Methods
  • Topic 16: Working With Methods And Encapsulation/ Create And Overload Constructors; Differentiate Between Default And User Defined Constructors
  • Topic 17: Apply The Static Keyword To Methods And Fields/ Apply Encapsulation Principles To A Class
  • Topic 18: Determine The Effect Upon Object References And Primitive Values When They Are Passed Into Methods That Change The Values

Free Oracle 1Z0-808 Exam Actual Questions

The questions for 1Z0-808 were last updated On May. 19, 2023

Question #1

Given the class definitions:

class C1 {}

class C2 extends C1 {}

class C3 extends C2 {}

and the code fragment:

16. C1 obj1 = (C1) new C2();

17. C2 obj2 = (C2) new C3();

18. C2 obj3 = (C2) new C1();

19. C3 obj4 = (C3) obj2;

Which line throws ClassCastException?

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Correct Answer: D

Question #2

Given the code fragment:

What is the result?

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Correct Answer: C

Question #3

Which two array initialization statements are valid? (Choose two.)

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Correct Answer: B, E

Question #4


What is the result?

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Correct Answer: C

Question #5

Given the code fragment:

Which action enables the code to print Helping... Done?

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Correct Answer: C

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