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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
- So how'd you make out with the Kathie's Catering challenge? I hope you had some fun with it. I'd like to show you my solution and as I always say, it might be different than yours. Let's start with the event class. At the top of the event class, we have our instance data. On line 10 is something a little bit new, though. I have public static int nextEventNumber. By declaring this variable as static, it allows all the events that I create to share the same value. Normally, the instance data is only available to the one object, but when you add the word static, it allows the variable to be shared. An example might be what if we wanted to count up the number of events that we have coming up? By declaring a variable as static, we can add one to it every time we create a new event. It's not specific to a certain event. It's specific to the entire collection of events. On line 14, notice that we have private final double pricePerGuest. That way, if the price changes, it's easy for us to…
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