Oracle - 1Z0-808 Certification Exam Details, Questions and Answers
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1Z0-808: Java SE 8 Programmer INumber of questions (in our database)
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25 January 2024Topics
Oracle's 1Z0-808: Java SE 8 Programmer I Certification Exam
Introduction
The 1Z0-808: Java SE 8 Programmer I is a certification exam offered by Oracle, designed to prove knowledge and skills in managing and understanding the basic syntax and structure of the Java programming language.
Importance of the Certification
This certification plays a critical role in your journey as a Java programmer. It not only boosts your confidence but also enhances your credibility in the job market. It is a trusted benchmark for companies looking to hire competent Java programmers.
Technical Details
The exam comprises multiple-choice questions, which candidates must complete within a specific timeframe. It covers a wide range of fundamental Java topics, including Java basics, using loops, and working with inheritance.
Measured Skills
- Understanding Java Basics
- Working with Java Data Types
- Using Operators and Decision Constructs
- Creating and Using Arrays
- Using Loop Constructs
- Working with Methods and Encapsulation
- Working with Inheritance
Preparation Advices
Preparing for the exam requires a thorough understanding of Java SE 8. It is advisable to practice hands-on coding and work on real-life projects to grasp the concepts better. Additionally, mock tests and sample questions can prove to be a valuable resource in your preparation journey.
Exam Topics
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Handling Exceptions (5% - 10%)
- Exception Handling Basics
- Try-Catch Blocks
- Multiple Catch Blocks
- Throwing Exceptions
- Checked and Unchecked Exceptions
-
Working with Methods and Encapsulation (10% - 15%)
- Method Declaration and Invocation
- Method Parameters and Return Types
- Method Overloading
- Method Overriding
- Access Modifiers
- Encapsulation
-
Working with Inheritance (10% - 15%)
- Inheritance Basics
- Superclass and Subclass
- Method Overriding
- Polymorphism
- Abstract Classes
- Interfaces
-
Using Operators and Decision Constructs (10% - 15%)
- Arithmetic Operators
- Relational Operators
- Logical Operators
- Conditional Statements
- Switch Statements
-
Working with Java Data Types (10% - 15%)
- Primitive Data Types
- Reference Data Types
- Type Casting
- Wrapper Classes
- String Manipulation
-
Java Basics (10% - 15%)
- Data Types
- Variables
- Operators
- Control Flow Statements
- Arrays
-
Working with Selected Classes from the Java API (5% - 10%)
- String Class
- StringBuilder and StringBuffer
- Wrapper Classes
- Enum Types
- Date and Time Classes
- Collections Framework
-
Creating and Using Arrays (5% - 10%)
- Array Declaration and Initialization
- Array Access and Manipulation
- Array Length and Iteration
- Multidimensional Arrays
-
Using Loop Constructs (5% - 10%)
- For Loop
- While Loop
- Do-While Loop
- Nested Loops
- Loop Control Statements
Common 1Z0-808 Exam Questions
What are two true statements about Java byte code?
Which class definitions in 1Z0-808 fail to compile?
What is the truth about Java byte code?
What are the characteristics and functionalities of the switch statement?
What are three object-oriented features of the Java language?
What are three true statements about the structure of a Java class?