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Taking a college-level programming course? Maximize your learning with these Java tutorials. Peggy Fisher explores command-level programming, basic techniques such as managing loops and creating methods, debugging Java code, working with classes and objects, and storing and sorting arrays. Along the way, she investigates the Java API and Java's capabilities for running simulations and algorithm analysis, and issues challenges to write programs that utilize all of these Java features.
Lecturer at Penn State UniversityPeggy Fisher is a programmer and content manager at LinkedIn Learning.
Peggy's main focus is application programming in Java, Arduino, and C++. She has also worked on courses in COBOL and discrete ,athematics. Previously she was a faculty member at Penn State University's College of Information Sciences and Technology. She started out as a programmer working for a large insurance company, but after 18 years she left her job as a director of information technology to pursue her true passion teaching. She earned a master's degree in math education, and went on to teach high school math and computer science in Pennsylvania. In 2012, Peggy accepted a position as an instructional designer at Penn State, and shortly thereafter began teaching Intro to Application Programming with Java. She is a strong supporter of women in STEM. As one of the few female programming teachers, she serves as a mentor to incoming female freshmen who are considering a career in programming. She was also the K–12 outreach coordinator for the college, where she scheduled, ran, and taught summer camps for middle school and high school students. In a PBS NewsHour interview, she expressed that all students should take at least one programming class either in high school or college. Peggy enjoys constantly learning and finding new and exciting ways to bring technology to life in and outside of the classroom, such as using Arduino microcontrollers or Lego Mindstorms, to help make learning hands-on and fun.
Skills covered in this course
- I'm sure you've heard the term API before. So let's review the Java API. API stands for Application Programming Interface. I want to make sure you understand that the term API is not specific to Java. You'll find APIs for Android when you're trying to write an app for your Android phone. Python and almost all languages have their own API. In Java, most basic programming tasks are performed by the APIs classes and packages. By using the API, it reduces the amount of code necessary for the programmer to write to perform common operations such as reading and writing from the console, reading and writing from files, math calculations such as square root, sine, and cosine. These are all common operations that we all use in most of our programs. The benefit is the API contains classes and methods that have already been developed and tested, so we can reuse these without reinventing the wheel. The Java API is a collection of software packages, classes, interfaces, with their respective…
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