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・ Utilities in Istanbul
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・ Utilitiesman (United States Navy)
・ Utility
・ Utility (C++)
・ Utility (disambiguation)
・ Utility (patent)
・ Utility Abstraction Pattern
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Utility class
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Utility class : ウィキペディア英語版
Utility class

In computer programming, a utility class is a class that defines a set of methods that perform common, often re-used functions. Most utility classes define these common methods under static (see Static variable) scope. Examples of utility classes include java.util.Collections () which provides several utility methods (such as sorting) on objects that implement a Collection (java.util.Collection () ).
== Example ==

DbConnection.java(util class):-
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;
public final class DbConnection catch(ClassNotFoundException e) catch (SQLException sq1ex)

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Utility class」の詳細全文を読む



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