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Oracle 1Z0-808 Exam Questions
- Oracle Database Certifications
- Oracle Java Certifications
- 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
Note: Premium Questions for 1Z0-808 were last updated On May. 01, 2025 (see below)
You are asked to develop a program for a shopping application, and you are given this information:
The application must contain the classes Toy, EduToy, and ConsToy. The Toy class is the superclass of the other two classes.
The int calculatePrice (Toy t) method calculates the price of a toy.
The void printToy (Toy t) method prints the details of a toy.
Which definition of the Toy class adds a valid layer of abstraction to the class hierarchy?
Given these two classes:
Any amount of electricity used by a customer (represented by an instance of the Customer class) must contribute to the customer's bill (represented by the member variable bill) through the useElectricity method.
An instance of the Customer class should never be able to tamper with or decrease the value of the member variable bill.
How should you write methods in the ElectricAccount class at line n1 so that the member variable bill is always equal to the value of the member variable kwh multiplied by the member variable rate?
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