 | Chapter Summary |
The following topics were discussed in this chapter:
basic language elements: identifiers, keywords, literals, white spaces, and comments
primitive data types: integral, floating-point, and Boolean
converting numbers between decimal, octal, and hexadecimal systems
lifetime of fields and local variables
declaration and initialization of variables, including reference variables
usage of default values for fields
structure of a valid Java source file
declaration of the main() method whose execution starts the application
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