Java for Beginners

Lessons

20+ Lessons | 18+ Exercises | 150+ Quizzes | 101+ Flashcards | 101+ Glossary of terms

TestPrep

 

Hand on lab

46+ LiveLab | 12+ Video tutorials | 20+ Minutes

Lessons 1: Introduction

• About This Course
• Foolish Assumptions
• Icons Used in This Course
• Where to Go from Here

Lessons 2: All about Java

• What You Can Do with Java
• Why You Should Use Java
• Gaining Perspective: Where Java Fits In
• Object-Oriented Programming (OOP)
• What’s Next?

Lessons 3: All about Software

• Get Ready for Java
• The Inside Scoop
• Developing Software
• Spoiler Alert!

Lessons 4: Using the Basic Building Blocks

• Speaking the Java Language
• Checking Out Java Code for the First Time
• Understanding a Simple Java Program
• And Now, a Few Comments

Lessons 5: Making the Most of Variables and Their Values

• Varying a Variable
• Experimenting with JShell
• What Happened to All the Cool Visual Effects?
• The Atoms: Java’s Primitive Types
• The Molecules and Compounds: Reference Types
• An Import Declaration
• Creating New Values by Applying Operators

Lessons 6: Controlling Program Flow with Decision-Making Statements

• Making Decisions (Java if Statements)
• Using Blocks in JShell
• Forming Conditions with Comparisons and Logical Operators
• The Nesting Habits of if Statements
• Choosing among Many Alternatives

Lessons 7: Controlling Program Flow with Loops

• Repeating Instructions Over and Over Again (Java while Statements)
• Count On Me
• You Can Always Get What You Want

Lessons 8: The Inside scOOP

• Defining a Class (What It Means to Be an Account)
• Defining a Method within a Class (Displaying an Account)
• Sending Values to and from Methods (Calculating Interest)
• Giving Your Numbers a Makeover
• Hide-and-Seek
• Barry’s Own GUI Class

Lessons 9: Saving Time and Money: Reusing Existing Code

• What It Means to Be an Employee
• Working with Disk Files (a Brief Detour)
• Defining Subclasses (What It Means to Be a Full-Time or Part-Time Employee)
• Using Subclasses
• Changing the Payments for Only Some of the Employees

Lessons 10: Constructing New Objects

• Defining Constructors (What It Means to Be a Temperature)
• Doing Something about the Weather
• A Constructor That Does More

Lessons 11: Putting Variables and Methods Where They Belong

• Defining a Class (What It Means to Be a Baseball Player)
• Making Static (Finding the Team Average)
• Experiments with Variables
• Passing Parameters

Lessons 12: Using Arrays to Juggle Values

• Getting Your Ducks All in a Row
• Arrays of Objects
• How to Argue with Your Code

Lessons 13: Using Collections and Streams (When Arrays Aren’t Good Enough)

• Arrays Have Limitations
• Collection Classes to the Rescue
• Functional Programming

Lessons 14: Looking Good When Things Take Unexpected Turns

• Garbage In
• The Buck Stops Here, Except When It Doesn’t
• Try, Try Again!

Lessons 15: Sharing Names among the Parts of a Java Program

• Access Modifiers
• Classes and Their Members
• Public and Private Access for Members
• Default Access for Members
• Protected Access for Members
• Access Modifiers for Java Classes
• From Classes Come Modules

Lessons 16: Fancy Reference Types

• Java’s Types
• The Java Interface
• Abstract Classes
• Relax! You’re Not Seeing Double!

Lessons 17: Java’s Juggling Act

• Juggling Two or More Calls
• Some Events Aren’t Button Clicks
• The Inner Sanctum

Lessons 18: Using Java Database Connectivity

• Creating a Database and a Table
• Putting Data in the Table
• Retrieving Data
• Destroying Data
• One Step Beyond

Lessons 19: Ten Packs of Java Websites

• This Course’s Website
• For Business Issues Related to This Course
• Download the Java Development Kit
• Your Grandparents’ Java Download Site
• The Horse’s Mouth
• Join Java User Groups
• Find the Latest News about Java
• Find News, Reviews, and Sample Code
• Got a Technical Question about Anything?
• Become Involved in the Future of Java

Lessons 20: Ten Bits of Advice for New Software Developers

• How Long Does It Take to Learn Java?
• Which of Your Books Should I Read?
• Are Books Other than Yours Good for Learning Java and Android Development?
• Which Computer Programming Language(s) Should I Learn?
• Which Skills Other than Computer Coding Should I Learn?
• How Should I Continue My Learning as a Software Developer?
• How Else Should I Continue My Learning as a Developer?
• How Can I Land a Job Developing Software?
• I Still Don’t Know What to Do with My Life
• If I Have Other Questions, How Can I Contact You?

Hands-on LAB Activities

All about Java

• Understanding Java Instructions

Using the Basic Building Blocks

• Using Method Declaration
• Creating the main() Method
• Using Comments

Making the Most of Variables and Their Values

• Using the int Type
• Using Variables
• Using Java Primitives
• Using Reference Types
• Using the Assignment Operators
• Using the Increment Operator

Controlling Program Flow with Decision-Making Statements

• Using the if Statement
• Using the Logical OR Operator
• Using the Logical AND Operator
• Using Conditions
• Using the if-else Statement
• Using Nested if Statements
• Using the switch Statement

Controlling Program Flow with Loops

• Using the while Statement
• Using the for Statement
• Computing the Factorial of a Number
• Using Multiple Loops
• Using the continue Statement
• Using the break Statement
• Using the do/while Statement

The Inside scOOP

• Creating an Object
• Creating a Method
• Passing Parameters to a Method

Saving Time and Money: Reusing Existing Code

• Grouping Separators
• Reading the Content of a File

Constructing New Objects

• Creating a Constructor
• Displaying a Frame

Putting Variables and Methods Where They Belong

• Passing an Object to a Method

Using Arrays to Juggle Values

• Declaring an Array
• Writing Values in a File
• Using the conditional operator

Using Collections and Streams (When Arrays Aren’t Good Enough)

• Using String Methods
• Using a Lambda Expression

Looking Good When Things Take Unexpected Turns

• Using the try/catch Block
• Using the throws Keyword

Sharing Names among the Parts of a Java Program

• Using the Access Modifier

Fancy Reference Types

• Creating an Interface
• Using the Abstract Method

Java’s Juggling Act

• Creating a Textbox and a Progress Bar Using Event Handling

Using Java Database Connectivity

• Working with JDBC Statements
• Executing a SQL Query
• Displaying Records