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Lesson 3: Introduction to Classes, Objects, Methods and Strings
Account class that contains a name instance variable and methods to set and get its value
Creating and manipulating an Account object
Conceptual view of an Account object
Account class with a constructor that initializes the name instance variable
Using the Account constructor to initialize the name instance variable when each Account object is created
Adding the TextViews, EditText, SeekBar and LinearLayouts
Account class with a double instance variable balance and a constructor and deposit method that perform validation
Inputting and outputting floating-point numbers with Account objects