Certified Core Java Developer

TABLE OF CONTENT

​

Basic Concepts of Java Programming

• Introduction
• JDK 10 Installation
• Eclipse Installation
• Writing Your First Java Program
• Primitive Data Types in Java
• Arithmetic Operators in Java
• Logical and Bitwise Operators
• Relational Operators in Java
• If - Condition
• Nested If - Condition
• "For" Loop in Java
• Hands-On Exercise on the "For" Loop
• "Nested For" Loop
• Hands-On Exercise on the "Nested For" Loop
• "While" and "Do While" Loop in Java
• Loop "Break" and "Continue" Statements

String Operations

• String Basics
• String Comparison Operations
• String Search Operations
• String (Cut) Slice Operations
• String Replace Operations
• String Conversion Operations

Object-Oriented Programming

• Concept of Classes and Objects
• Classes and Objects - Exercise 1
• Methods in Java
• Method Overloading
• Access Specifiers in Java
• Constructor
• Data Encapsulation
• Static Keyword
• Concept of Main Method
• Classes and Object - Exercise 2

Special Classes in Java

• Math Class
• StringBuilder Class
• StringBuilder Method
• Scanner Class
• Random Class
• The Universally Unique Identifier (UUID) Class

What's New in Java 10?

• "var" Keyword
• Concept of Garbage Collector (GC) and Java 10 Update in GC
• Other Updates in Java 10

Inheritance and Abstraction

• Inheritance in Java
• Method Overriding
• Polymorphism
• "Super" Keyword
• Super Class Constructor
• Protected Access
• Abstraction
• Interface
• "Final" Keyword

Arrays

• Arrays in Java
• Array Object
• Modified/Enhanced "For" loop
• Array Exercise
• Two-Dimensional (2D) Arrays
• Two-Dimensional (2D) Array Exercise
• Array of OBJECT

Lists

• Array List
• Linked List Structure
• Linked List
• ArrayList Versus LinkedList
• List Iterator

Sets and Maps

• Hash Set
• Linked Hash Set
• Tree Set
• Iterating over Sets
• Hash Map
• Tree Map
• Iterating on Maps

Regular Expressions

• Introduction to RegEx (Regular Expressions)
• Quantifiers in RegEx (Regular Expressions)
• Character Classes in RegEx (Regular Expressions)
• Bracket Expressions in RegEx (Regular Expressions)
• "OR" Operator
• "Dot" Operator
• Greedy and Lazy Matching
• RegEx (Regular Expressions) Exercise 1
• RegEx (Regular Expressions) Exercise 2
• Regularizing Number Ranges

Exception Handling

• What Is an Exception?
• Error Versus Exception
• Checked and Unchecked Exceptions
• "Throws" Declaration
• Try and Catch Block (Exception Handling)
• "Finally" Block

Date and Time Operations (Rev Java 8)

• Local Date and Time
• Customizing Date and Time
• Future and Past Date
• Future and Past Time
• Date Difference
• Time Difference
• Date-Time Formatter

Working with Text Files (Apache Commons IO)

• Reading a Text File Using Apache Commons IO
• Editing a Text File Using Apache Commons IO
• Interview Question - Sorting a Line from a Text File
• Copying and Moving Text Files
• Interview Question - Removing Duplicate Words from a Text File

Working with MS Excel Files (Apache POI)

• Apache POI Setup
• Reading Excel File Using POI
• Read Excel Data into a 2D Array
• Interview Question - Write Excel Using POI