Arrays and Array Lists (chapter 7)
- basic syntax and applications
- copying arrays
- wrappers and auto-boxing
- the enhanced for-loop
- simple array algorithms
- two-dimensional arrays
Interfaces and Polymorphism (chapter 9)
- using interfaces for code reuse
- converting between class and interface types
- using interfaces for callbacks
- inner classes
- event sources and event listeners
- buttons and other simple GUI components
- mouse events
Inheritance (chapter 10)
- inheritance hierarchies
- inheriting instance fields and methods
- subclass construction
- converting between subclass and superclass types
- access control
- the Object class
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Graphical User Interfaces (chapter 18)
- using inheritance to customize components
- layout management
- my favorite GUI components
- the GUI builder in NetBeans
Input/Output and Exception Handling (chapter 11)
- reading and writing text files
- throwing exceptions
- checked and unchecked exceptions
- catching exceptions
- the finally clause
- designing your own exception types
- object streams (from chapter 19)
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