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uCertifyPrep Java SE 17

Name: uCertifyPrep Java SE 17
Brand: uCertify
Price: 279.99 USD

Intermediate Self-paced · 1 year access

78 Hands-On LiveLabs

Practice real IT tasks in guided environments.

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01 / Lessons & labs

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Lessons

16 Interactive Lessons · 138 topics

01 Introduction 6 topics

Understanding the Exam
Reading This Course
Studying for the Exam
Applying Test-Taking Strategies
Taking the Exam
Objective Map

02 Building Blocks 12 topics · 4 LiveLab

Learning about the Environment
Understanding the Class Structure
Writing a main() Method
Understanding Package Declarations and Imports
Creating Objects
Understanding Data Types
Declaring Variables
Initializing Variables
Managing Variable Scope
Destroying Objects
Summary
Exam Essentials

4 LiveLab in this lesson — see the labs panel →

03 Operators 8 topics · 3 LiveLab

Understanding Java Operators
Applying Unary Operators
Working with Binary Arithmetic Operators
Assigning Values
Comparing Values
Making Decisions with the Ternary Operator
Summary
Exam Essentials

3 LiveLab in this lesson — see the labs panel →

04 Making Decisions 7 topics · 6 LiveLab

Creating Decision-Making Statements
Applying switch Statements
Writing while Loops
Constructing for Loops
Controlling Flow with Branching
Summary
Exam Essentials

6 LiveLab in this lesson — see the labs panel →

05 Core APIs 8 topics · 4 LiveLab

Creating and Manipulating Strings
Using the StringBuilder Class
Understanding Equality
Understanding Arrays
Calculating with Math APIs
Working with Dates and Times
Summary
Exam Essentials

4 LiveLab in this lesson — see the labs panel →

06 Methods 9 topics · 3 LiveLab

Designing Methods
Declaring Local and Instance Variables
Working with Varargs
Applying Access Modifiers
Accessing static Data
Passing Data among Methods
Overloading Methods
Summary
Exam Essentials

3 LiveLab in this lesson — see the labs panel →

07 Class Design 9 topics · 1 LiveLab

Understanding Inheritance
Creating Classes
Declaring Constructors
Initializing Objects
Inheriting Members
Creating Abstract Classes
Creating Immutable Objects
Summary
Exam Essentials

1 LiveLab in this lesson — see the labs panel →

08 Beyond Classes 8 topics · 4 LiveLab

Implementing Interfaces
Working with Enums
Sealing Classes
Encapsulating Data with Records
Creating Nested Classes
Understanding Polymorphism
Summary
Exam Essentials

4 LiveLab in this lesson — see the labs panel →

09 Lambdas and Functional Interfaces 7 topics · 2 LiveLab

Writing Simple Lambdas
Coding Functional Interfaces
Using Method References
Working with Built-in Functional Interfaces
Working with Variables in Lambdas
Summary
Exam Essentials

2 LiveLab in this lesson — see the labs panel →

10 Collections and Generics 10 topics · 4 LiveLab

Using Common Collection APIs
Using the List Interface
Using the Set Interface
Using the Queue and Deque Interfaces
Using the Map Interface
Comparing Collection Types
Sorting Data
Working with Generics
Summary
Exam Essentials

4 LiveLab in this lesson — see the labs panel →

11 Streams 6 topics · 18 LiveLab

Returning an Optional
Using Streams
Working with Primitive Streams
Working with Advanced Stream Pipeline Concepts
Summary
Exam Essentials

18 LiveLab in this lesson — see the labs panel →

12 Exceptions and Localization 9 topics · 5 LiveLab

Understanding Exceptions
Recognizing Exception Classes
Handling Exceptions
Automating Resource Management
Formatting Values
Supporting Internationalization and Localization
Loading Properties with Resource Bundles
Summary
Exam Essentials

5 LiveLab in this lesson — see the labs panel →

13 Modules 10 topics · 1 LiveLab

Introducing Modules
Creating and Running a Modular Program
Updating Our Example for Multiple Modules
Diving into the Module Declaration
Creating a Service
Discovering Modules
Comparing Types of Modules
Migrating an Application
Summary
Exam Essentials

1 LiveLab in this lesson — see the labs panel →

14 Concurrency 8 topics · 5 LiveLab

Introducing Threads
Creating Threads with the Concurrency API
Writing Thread-Safe Code
Using Concurrent Collections
Identifying Threading Problems
Working with Parallel Streams
Summary
Exam Essentials

5 LiveLab in this lesson — see the labs panel →

15 I/O 10 topics · 13 LiveLab

Referencing Files and Directories
Operating on File and Path
Introducing I/O Streams
Reading and Writing Files
Serializing Data
Interacting with Users
Working with Advanced APIs
Review of Key APIs
Summary
Exam Essentials

13 LiveLab in this lesson — see the labs panel →

16 JDBC 11 topics · 5 LiveLab

Introducing Relational Databases and SQL
Introducing the Interfaces of JDBC
Connecting to a Database
Working with a PreparedStatement
Little Bobby Tables
Getting Data from a ResultSet
Calling a CallableStatement
Controlling Data with Transactions
Closing Database Resources
Summary
Exam Essentials

5 LiveLab in this lesson — see the labs panel →

Hands-On Labs Our edge

78 LiveLabs

Passing Parameters to a Java Program
Which of the following are legal entry point methods that can be run from the command line?
What is the output of executing the following class? public class Salmon { in...
Indicate if each of the given statements about a reference type is true or false.
Indicate if each of the given statements about a binary operator is true or false.
Using the Logical OR Operator

Which of the following Java operators can be used with boolean variables?
Using the if-else Statement
Identify the incorrect terms related to pattern matching in the paragraph by clicking on them.
Indicate if each of the given statements about the switch statement is true or false.
Using the while Loop
Using the for Loop
Using the continue Statement
Using the replace() and length() Methods
Fill in the blank with the appropriate term related to String.
Using the append() Method
Fill in the blanks by dragging the appropriate classes from the bottom onto their correct boxes.
Click to select the access specifiers offered by Java.
Fill in the blank with the appropriate term related to variables.
Fill in the blanks: Using ________ and ________ ...y class, without requiring an instance variable.
Which of the following statements can be inserte...).setSnake(_________________); } }
Click to select the rules for the default interface method definition.
Indicate if each of the given statements about enum (enumeration) is true or false.
Indicate if each of the given statements about a local class is true or false.
Identify the incorrect terms related to polymorphism in the paragraph by clicking on them.
Which of the following are valid lambda expressions?
What is the minimum number of lines that need to...; void game(); void toy(); }
Using the Diamond Operator
Drag the interface to its description.
Which of the following can fill in the blank to print [7, 5, 3]? public record Platypus(String na...
What is the result of the following? import java... System.out.println(d); } }
Fill in the blank with the pair that compiles an....offer(18); x.(____________); x.(____________);
Using the count() Method
Using the min() and max() Methods
Generating an Infinite Stream of Integers
Implementing the skip() Method on a Stream
Using the limit() Method
Using the distinct() Method
Using the filter() Method
Using the collect() Method
Using the reduce() Method
Using the forEach() Method
Using the noneMatch() Method
Using the anyMatch() Method
Using the allMatch() Method
Using the findFirst() Method
Using the findAny() Method
Fill in the blank with the appropriate term related to terminal operations.
What is the output of the following? public class Paging { record Sesame(String name...
Fill in the blank with the appropriate exception class.
Using Multiple catch Blocks
Which of the following statements about try/catch blocks are correct?
Formatting Numbers
What is the output of the following code snippet? LocalDate dogDay = LocalDate.of(2022,8,26); var...
What option names are equivalent to -p and -cp on the javac command?
Creating a Thread by Extending the Thread Class
Assuming this class is accessed by only a single...0;System.out.println(counter); } }
Applying the ReentrantLock Interface
Understanding SkipList Collections
What is the result of executing the following code snippet? List<Integer> lions = new Array...
Drag the path type from the bottom onto its desc...ay be associated with more than one description.
Deleting a File Using the delete() and deleteIfExists() Methods
Using the isAbsolute() Method
Deriving a Path Using the relativize() Method
Deriving a Path Using the normalize() Method
Using the exists() Method
Click to select the handling methods that declare IOException.
Using the OutputStream Class
Fill in the blanks by dragging the appropriate streams from the bottom onto their correct boxes.
Drag the process from the bottom onto its descri...ay be associated with more than one description.
Implementing the skip() Method on a File
Using the mark() and reset() Methods
Bill wants to create a program that reads all of the lines of all of his books using NIO.2. Unfor...
Using the DELETE Statement
Using the CREATE TABLE Statement
Using the UPDATE Statement
Which of the following is a valid JDBC URL?
Click to select the reasons for the superiority of PreparedStatement.

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02 / FAQs

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