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Want to get more out of the Java language and platform? In this platform- and framework-neutral course, instructor Bethan Palmer digs into some of the language’s more advanced features, helping you expand your programming skills as she equips you with techniques you can use when building applications anywhere Java is used: in web, mobile, and desktop applications. Bethan covers a variety of topics, including generics, working with the Collections Framework, and functional programming. Plus, learn about I/O in Java, working with files and directories, and structuring applications using the modular system available in Java.
Software Developer and Java ChampionBethan Palmer is a developer who loves technology and has a master's degree in computer science.For her day job, Bethan is a Java programmer and the product manager for a Java PDF library at IDRsolutions. She gets to spend a lot of time writing and refactoring code, as well as deciding on product strategy and road maps. She also spends much of her time attending conferences and is a regular speaker at Oracle Code One and NetBeans Days. She manages and writes articles about Java, technology, the books she's reading, and conferences she's attending on the Java PDF blog.
Skills covered in this course
Learn advanced Java programming“
- [Bethan] Lambdas provide a short and simple way to implement functional interfaces in Java. They are now a commonly used feature in the Java language so it is useful to be able to read and understand them, as well as to use them in your own code. In this example I have a functional interface called greeting message which has a single abstract method called greet, then in my main class, I implement a new greeting message instance using an anonymous inner class. I override the greet message followed by the name parsed in. Instead of using all this boiler plate code, I can use a lambda instead to make the code shorter and simpler, so in the main method below the code I already have. I will create a second greeting message variable and I will call it gm2 and then put the equals sign. Now I need to use a pair of brackets, inside these brackets I put the variables that will be used in the greet method. This is exactly the same as the information in the brackets when I override the greet…
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