Titlebook: Mac Programming for Absolute Beginners; Wallace Wang Book 2011 Wallace Wang 2011

incisive

exercise

monochromatic

chisel

grovel

AVANT

Inheritance, Method Overriding, and Events,In the previous chapter, you learned how to create classes and use them to create objects. By using encapsulation to define a class with its own properties and methods, objects can isolate the details of their code from the rest of a program.

HEED

homeostasis

Choosing Commands with Buttons,The user interface lets you communicate with a program. In the old days, you had to type a command to make a program do something. If you didn’t know the command to type or if you misspelled it, your command wouldn’t work, and the program wouldn’t respond to your actions.

排斥

Making Choices with Radio Buttons and Check Boxes,Buttons let the user choose a single command. However, many times, you may need to present the user with several options. You could display multiple buttons, where each button represents a single option, but this could look cluttered and messy. A more compact solution is to use radio buttons and check boxes.

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