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String class comparison table

Subject	is an instance of	is a subtopic of	see also	have purpose	is a kind of	specify you use	use	have	has definition	be
collection class		Collections		working with collections of objects	class		an implements clause to declare that it contains methods for each of the operations specified by the interface	iterator method for doing something with every member of the collection		the unit of data abstraction in an object-oriented program
final class		Classes		to increase system security by preventing system subversion	class	the keyword final before the keyword class in the class declaration	an implements clause to declare that it contains methods for each of the operations specified by the interface	a subclass or the compiler will display an error message	A class that cannot have subclasses	abstract
String class	final class	Variables and Data Types	string	to increase system security by preventing system subversion		the keyword final before the keyword class in the class declaration	zero-based indexing	specification		abstract

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