PODCAST · education
Java Lessons and More
by Evan Gonshor
I always wanted to have a podcast where I could learn programming, so I’m creating one! In addition, I’m throwing in some fun things as well, like magic tricks, so there’s “more” than just Java!
Episodes
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2nd Magic Trick and Final Episode
As promised, here is the second magic trick I’ve been talking about (credit to Jim Steinmeyer). Also, for now, unless there are further questions or requests, I am closing the podcast. I appreciate all the kindness and support from all over. Thank you!!!! 😊
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Java Finale and Thank You
In this episode, we round out the Java portion of this podcast (for now). I appreciate all of your support!
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Try-Catch Statements and Proper Formatting Correction
In this episode, we introduce try-catch statements to help give you options for when your program encounters an error (so that it doesn’t just break!). Also, I make a correction to my improper formatting that I spoke about before.
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Java Search Algorithms
We take a look at the difference between binary and linear searches, when to use them, and the advantages and disadvantages of each.
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The Two Main Sorting Algorithms in Java
First podcast-only episode! We talk about selection and insertion sorts and how to use them in your programs.
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ArrayLists and Wrapping Up Arrays
In this lesson, we talk about ArrayLists, a highly flexible way to handle collections of objects. We also wrap up our unit on arrays!
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Two-Dimensional Arrays
In this episode, we dive into tables! (Or vectors/arrays in the second dimension!!!) and how to write and read these in Java.
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Variable Length Parameter Lists
A brief explanation of how to have lists containing a certain type of object but which can be of variable length
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Command Line Arguments in Java
You know the String[] args thing? Yeah, we talk about what that is all about.
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Arrays of Objects and Object-Oriented Programming (BIGGEST EPISODE YET)
(NOTE: See Twitter for the screen capture) In this episode, we introduce object-oriented class, object, and method programming. We talk about arrays of objects and also how to access characters using the Scanner object.
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Introduction to Arrays in Java
Looking at how to use arrays to hold a collection of integers. Exploring how to access and change values.
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My Favorite Loop: The For Loop (Also Quickly Covering Do While Loops)
Do While Loop reminded me of doo-wop. I heard recently from someone that music and programming are connected fields. Continuing our discussion of loops in this episode with for loops. Note that all loop types can be nested.
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Reading Files and Parsing Text in Java
In this episode, we dive into how to read text files into your software application and how to program the processing of each line, separating out the contents by delimiters. Please note that the file must be in the same directory as your Java development environment.
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While Loops in Java
Introduction to the use of while loops to keep things going if a condition is met or to stop repeating if it’s not!
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Switch Statements in Java
Like having a remote control, you give your users the power to easily choose between a variety of options by implementing a switch statement in your Java class bodies of code.
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Bracketed and Nested If Statements
We wrap up our exposé of if statements for now with touching on how to fit more content in between the logic statements with the proper use of curly braces, and also how to fit if statements inside of if statements using the concept of nesting.
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If Else Statements in Java
Adding on an else statement to last week’s code. These help to account for other scenarios or options not covered by just a plain if statement. Like what if you order a grilled cheese but the restaurant is out of Texas Toast, what other options are there?
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Introduction to If Statements in Java
We explore how to use if statements and the logic behind how they operate (in as simple terms as I can and with practical examples to make it easier).
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Number Telepathy Magic Trick
As planned, we are taking a break to do a fun mathematical magic trick. Try it out with your friends or family. Mathemagic!
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Enumerated Types in Java
In this episode, we discuss how to use enumerated types in Java. We look at two different ways to access the name and how to use it to determine the ordinality of the elements. I believe this lesson is the last of the not-so-exciting numerical Java stuffs, so hopefully next week we can do…
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Formatting Decimals in Java
In this episode, we tackle how to format the precision of decimals down to the exact, precise number of decimal places or digits after the decimal point.
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Money and Percent Formatters in Java
In this lesson, we learn how to print out money and percents formatted properly using Java.
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The Math Class in Java
We go to the Math Class in Java and learn how to use the various operators to perform desired calculations.
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How to Use the Random Class to Generate Random Numbers in Java
In this episode, we explore how to generate random integers and decimals using the Random class in Java.
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Methods of the String Class
Learn how to manipulate strings in various ways. Also, we touch a little on Applets and graphics in this lesson.
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Exploring Additional Interactive Capabilities in Java Using Scanner
Expanding on last week’s lesson, we take a look at how to interact with users in new ways. Scanner objects can be used to read in more than just text strings! Listen in to find out more!
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Introduction to the Scanner Object in Java
Learn how to create a software program utilizing the Scanner object. In Java, Scanner allows the user to input text and is a good first step in creating interactive programs.
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Primitive Data Types and Order of Operations in Java
Looking at mathematical expressions in Java that employ integers and doubles. Exploring how these get used and computed.
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Variable Value Assignment in Java
Describing how to assign a new value to an integer once it has been declared with a given value. Also, I’m learning how to REST, in multiple ways.
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Introduction to Variables: Declaring an Integer
How to create and use an integer in a Java program/code.
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Escape Sequences in Java (Delimiters)
Learn about how to use character sequences in strings to help format things the way you want them (tab, new line, etc.).
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Concatenation vs Addition
Exploring how to concatenate strings in Java, and also how to perform mathematical operations and print them out.
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Frequently Asked Questions
How many episodes does Java Lessons and More have?
Java Lessons and More currently has 33 episodes available on PodParley. New episodes are automatically indexed when they're published to the podcast feed.
What is Java Lessons and More about?
I always wanted to have a podcast where I could learn programming, so I’m creating one! In addition, I’m throwing in some fun things as well, like magic tricks, so there’s “more” than just Java!
How often does Java Lessons and More release new episodes?
Java Lessons and More has 33 episodes. Check the episode list to see recent publication dates and frequency.
Where can I listen to Java Lessons and More?
You can listen to Java Lessons and More on PodParley by clicking any episode. We provide an embedded audio player for direct listening, and you can also subscribe via your preferred podcast app using the RSS feed.
Who hosts Java Lessons and More?
Java Lessons and More is created and hosted by Evan Gonshor.
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