课程: Java Essential Training: Syntax and Structure

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Classes

Classes - Java教程

课程: Java Essential Training: Syntax and Structure

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Classes

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- [Instructor] Packages contain Java files, also known as classes. Let's create a new class. Right-click on the package, select New and choose Java Class. By convention, Java classes start with an uppercase letter. We're going to make a class that will implement a gross pay algorithm. So let's name our class something that is reflective of the task that it needs to do. GrossPayCalculator. Notice here I'm using three words in the class name. However, there are no spaces. That's because Java does not allow spaces in the name of a class. Also notice that although the class name contains three different words and they're all together, each word begins with an uppercase letter. Capitalizing the first letter in each word helps with readability and it's also a convention within Java. After naming the class, click Enter and notice we now have a new class. This is our Java file. Notice the name in the open tab…

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