Java for Absolute Beginners from Udemy

What's inside

Learning objectives

The fundamentals of java
How to understand and write simple java programs

Practice exercises to strengthen your coding knowledge

The fundamentals of java
How to understand and write simple java programs
Practice exercises to strengthen your coding knowledge

Syllabus

First Steps

Downloading and installing IntelliJ IDEA

Creating a new Java project

Using a simple recipe analogy, you will understand how to structure a basic Java program for writing your own programs.

A Java program is like a recipe

A recipe's method and Java methods

The structure of a basic program

HelloWorld: Writing Our First Program

Displaying a message on the screen

Formatting text using escape sequences

A glimpse into methods and System.out.println()

Using packages to organise our classes

Coding Challenge 1 - HelloWorld

Variables

Introduction to variables

The int and double data types

Variable manipulation and integer division

The char, boolean, and String data types

Variable naming rules and best practices

Type casting

User Input

Reading input using the Scanner

Writing a question and answer program

The System.out.format() method

Applying System.out.format()

Tokens and the nextLine() method

Coding Challenge 2 - User Input

Conditional Statements

Introduction to if-statements

If, else-if, and else blocks

Complex conditions with logical operators

Checking String equality

Nesting if-statements

Lexical scope

The switch statement

Coding Challenge 3 - If-then Statements

Loops

The while loop

The for loop

Break and continue

The do-while loop

The modulo operator

Coding Challenge 4 - Loops

Arrays

Introduction to arrays

Adaptive iteration

Simple processing using arrays

Sizes, types, and fortune tellers

Inputting data and generating a statistic

Foreach loop

Coding Challenge 5 - Arrays

Methods (Functions)

Introduction to methods

Passing data to methods

Returning data from methods

Passing and returning data

References (part 1)

References (part 2)

Class/Static members

Java Fundamentals Wrap Up

Program walkthrough: Tic-Tac-Toe

Program walkthrough: Prime Numbers

Coding Challenge 6 - End of Section Challenges

In this section we will build a simple guest list program. There will be a number of exercises which will have you expand upon the program, complete with full video solutions.

Creating the menu and displaying the guest list

Adding guests

Deleting guests (part 1)

Deleting guests (part 2)

The full code

Exercise 1

Solution: Exercise 1

Exercise 2

Solution: Exercise 2

Exercise 3

Solution: Exercise 3

Exercise 4

Solution: Exercise 4

Exercise 5

Solution: Exercise 5

Exercise 6

Solution: Exercise 6

Exercise 7

Solution: Exercise 7

Exercise 8

Solution: Exercise 8

Exercise 9

Solution: Exercise 9

Exercise 10

Solution: Exercise 10

Exercise 11

Solution: Exercise 11

Exercise 12

Solution: Exercise 12

Exercise 13

Solution: Exercise 13

Exercise 14

Solution: Exercise 14

Exercise 15

Solution: Exercise 15

Exercise 16

Good to know

Know what's good

, what to watch for

, and possible dealbreakers

Starts with downloading and installing IntelliJ IDEA, which is a popular IDE, making it easier for beginners to get started with a professional tool

Uses a recipe analogy to explain the structure of a basic Java program, which can help beginners grasp the concepts more intuitively

Includes coding challenges with video solutions, allowing learners to practice and reinforce their understanding of the concepts

Covers fundamental concepts such as variables, conditional statements, loops, and arrays, providing a solid foundation for further learning

Includes a program walkthrough of Tic-Tac-Toe and Prime Numbers, which are classic beginner projects that help solidify understanding

Features a guest list program with multiple exercises to expand upon it, offering practical application of the concepts learned throughout the course

Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Java for Absolute Beginners with these activities:

Review Basic Programming Concepts

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Reinforce fundamental programming concepts like variables, data types, and control flow to prepare for Java-specific syntax and concepts.

Browse courses on Programming Fundamentals

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Review notes from any previous programming courses or tutorials.
Complete online quizzes or exercises on basic programming concepts.
Write simple programs in a language you are already familiar with.

Review 'Head First Java'

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Use this book to gain a solid foundation in Java programming concepts and syntax.

View Head First Java: A Brain-Friendly Guide on Amazon

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Read the first few chapters covering basic Java syntax and object-oriented principles.
Complete the exercises and quizzes at the end of each chapter.
Experiment with the code examples provided in the book.

CodingBat Java Practice

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Practice basic Java coding problems on CodingBat to reinforce understanding of fundamental concepts like loops, arrays, and conditional statements.

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Visit the CodingBat website and select the Java section.
Work through the problems in the Warmup-1 and Warmup-2 sections.
Attempt the problems in the String-1 and Array-1 sections.

Four other activities

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Show all seven activities

Create a Java Cheat Sheet

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Compile a cheat sheet of essential Java syntax, keywords, and concepts for quick reference.

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Review the course materials and identify key concepts.
Organize the information into a clear and concise format.
Include examples of common Java syntax and code snippets.

Simple Calculator Program

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Build a simple calculator program to apply learned concepts such as user input, conditional statements, and basic arithmetic operations.

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Design the user interface for the calculator.
Implement the logic for performing basic arithmetic operations.
Handle user input and display the results.
Add error handling for invalid input.

Help Others on Java Forums

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Reinforce your understanding of Java by helping other beginners on online forums.

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Find a Java programming forum or Q&A site.
Browse the questions and identify those you can answer.
Provide clear and helpful explanations to assist other learners.

Review 'Effective Java'

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Use this book to learn best practices for writing effective and maintainable Java code.

View Effective Java (3rd Edition) on Amazon

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Read selected chapters focusing on topics covered in the course.
Study the code examples and explanations provided in the book.
Apply the best practices learned to your own Java projects.

Career center

Learners who complete Java for Absolute Beginners will develop knowledge and skills that may be useful to these careers:

Junior Programmer

A Junior Programmer writes, tests, and maintains code. This course, Java for Absolute Beginners, helps to build the skills necessary to start in a role as a junior programmer, particularly one that utilizes Java. The course focuses on the fundamentals of Java programming, including how to understand and write simple programs, use variables and data types, and implement loops and conditional statements, all of which are programming basics for any junior programmer. The practical coding exercises in this course may be particularly useful in providing hands-on experience. This course may be a logical first step for an aspiring junior programmer.

See salaries and explore the career path for Junior Programmer

Software Developer

A Software Developer designs, develops, and tests software applications. This course, Java for Absolute Beginners, helps build a foundation in the core concepts of Java programming, which is a widely used language in software development. The course helps learners understand how to write simple Java programs, use variables and conditional statements, and create loops, all of which are fundamental to any software development role. Through this course, a prospective software developer may gain the skills necessary to begin working on practical software projects.

See salaries and explore the career path for Software Developer

Application Developer

An Application Developer creates and maintains software applications for computers and mobile devices. This course, Java for Absolute Beginners, may be useful for individuals who want to begin down the path of application development. The course teaches the fundamentals of Java, which is an object-oriented language frequently used for building applications. The course offers hands-on experience via coding exercises, building knowledge of essential programming concepts including the use of variables, arrays, conditional statements, and loops. Because a solid understanding of foundational programming concepts is essential for application developers, this course may be helpful to beginners.

See salaries and explore the career path for Application Developer

Software Engineer

A Software Engineer applies engineering principles to the design, development, maintenance, testing, and evaluation of computer software. This course, Java for Absolute Beginners, may provide a strong foundation in Java which is foundational for aspiring software engineers. The course covers core programming concepts, like data types, control flow, methods, and arrays, all of which are essential in software engineering. The practical coding exercises and thorough explanations offered by this course may be helpful for someone seeking to enter the field of software engineering.

See salaries and explore the career path for Software Engineer

Backend Developer

A Backend Developer builds and maintains the server-side of web applications, the logic that powers the front end. This course, Java for Absolute Beginners, can be helpful for anyone seeking to become a backend developer. Java is used frequently for backend web development. It is imperative that a backend developer have solid programming fundamentals, and this course introduces concepts such as variables, loops, and conditional statements. The course's hands-on exercises may also provide practical experience essential to a backend developer, making it useful to begin a career in backend development.

See salaries and explore the career path for Backend Developer

Mobile App Developer

A Mobile App Developer is responsible for designing, coding, testing, and debugging mobile applications. Java is a popular language for developing Android applications, and this course, Java for Absolute Beginners, may be useful for anyone who wants to become a Mobile App Developer. The course offers a step-by-step introduction to fundamental concepts of Java programming, including variables, loops, and conditional statements. By providing hands-on coding exercises, this course may be helpful to one who wishes to gain familiarity with Java programming before becoming a Mobile App Developer.

See salaries and explore the career path for Mobile App Developer

Web Developer

A Web Developer is responsible for building and maintaining websites. While Java might not be the primary language for front-end web development, it is often used for back-end development and server-side logic. This course, Java for Absolute Beginners, may be helpful for those who wish to become backend web developers. The course introduces core Java programming concepts, such as methods, classes, and data structures. The fundamentals provided in this course may be particularly valuable for an aspiring web developer who seeks to understand that layer of the web stack. Through hands-on exercises this course can help one build a solid foundation.

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Quality Assurance Analyst

A Quality Assurance Analyst is responsible for testing and ensuring the quality of software products. While this role does not primarily involve writing code, having some programming knowledge like that this course, Java for Absolute Beginners, provides may be helpful in understanding the software development process and writing automated tests. The course's explanations of core concepts like conditional statements and loops may help one gain a greater understanding of software development, thus allowing an analyst to better perform in their role. This practical knowledge may be valuable in the field.

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Software Tester

A Software Tester is responsible for identifying defects in software before it is released. While a software tester may not write code as their primary function, having knowledge of programming, such as that gained from this course, Java for Absolute Beginners, may be very helpful in writing automated tests. This course introduces the fundamentals of programming and concepts such as variables, loops, and conditional statements. Understanding the basics of code may allow a Software Tester to write more effective tests. This course may help one understand the practical aspects of software development.

See salaries and explore the career path for Software Tester

Solutions Architect

A Solutions Architect designs and maps technical solutions based on business requirements. This role requires a strong understanding of software development, and this course, Java for Absolute Beginners, may help to provide a foundation in those concepts, particularly in Java, which is a commonly used language in enterprise systems. The practical programming skills gained in this course may be useful for a Solutions Architect who needs to understand code at a foundational level. This course can be a helpful first step to understanding the practical side of technology solutions.

See salaries and explore the career path for Solutions Architect

Data Scientist

A Data Scientist analyzes large datasets to extract insights and make predictions. While Java may not be the primary tool for data analysis (Python is more common), this course, Java for Absolute Beginners, may be helpful to Data Scientists who need to interact with Java-based systems or perform some data processing using Java. The course may improve one's understanding of programming concepts and may be helpful in interacting with datasets. The programming experience offered in this course may be valuable in a data science context.

See salaries and explore the career path for Data Scientist

Database Administrator

A Database Administrator may not write code full time, but they design, implement, and maintain a company's database and often need to use code. This course, Java for Absolute Beginners, may be helpful because Java is frequently used in database management. The concepts taught in this course, such as variables, methods, and conditional statements, are foundational to writing database scripts. This course may help one gain the programming fundamentals necessary to manage databases. The practical experience offered by this course may be useful to a prospective database administrator.

See salaries and explore the career path for Database Administrator

Systems Analyst

A Systems Analyst researches problems, plans solutions, and recommends software and systems. While this role involves more than just programming, a solid understanding of software development principles, like those provided by this course, Java for Absolute Beginners, may be helpful for systems analysts, especially those who work with software systems. The course introduces fundamental Java concepts and problem-solving skills that may be useful for a systems analyst who must understand software from a high level. The knowledge of practical programming provided by this course may help improve understanding of software systems.

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Technical Support Specialist

A Technical Support Specialist provides support to users of technical products and services. While this role doesn't require in-depth coding knowledge, having a basic understanding of programming, as taught in this course, Java for Absolute Beginners, may be helpful when diagnosing and resolving technical issues. A Technical Support Specialist who has an understanding of basic coding may better identify and solve problems. The course's introduction to logic and problem-solving may also be valuable in diagnosing software-related issues.

See salaries and explore the career path for Technical Support Specialist

Technology Consultant

A Technology Consultant advises organizations on how to use technology to meet their business objectives. While this role is not technical full-time, a basic understanding of coding, which this course, Java for Absolute Beginners, provides, may be very helpful. Having familiarity with programming concepts may allow a consultant to make more informed recommendations. The knowledge of programming logic gained in this course may be useful for a technology consultant.

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Java for Absolute Beginners

What's inside

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Syllabus

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