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syntactic unit > scoping unit > package > java.awt

java.awt
subject			fact

java.awt	contains GUI widget classes
	has definition A package that contains GUI widget classes
	has specification
	is operating-system independent; a program using it will run under any operating system without changes
	is a subtopic of Example Packages
	is a subtopic of Graphical User Interfaces
	is an instance of package
	is part of Java's application programming interface
package	can be imported by using the import statement
	defines a name space
	groups classes or interfaces by function
	has purpose to avoid naming conflicts to control access
	has purpose to group together related classes into a subsystem
	is specified by a file that begins with a package statement
	is stored as a set of class files in a directory
	see also package name
	to create you put a class in it or put an interface in it by putting a package statement at the top of the source file in which the class or interface is defined
	to import you use the import statement with the asterisk wildcard character
syntactic unit	has syntax rule bold = mandatory italic = non-terminal normal font = optional

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