Download PDF by Timothy M. O'Brien: Common Java Cookbook

By Timothy M. O'Brien

Книга universal Java Cookbook universal Java Cookbook Книги Java Автор: Timothy M. O'Brien Год издания: 2009 Формат: pdf Издат.:Discursive Страниц: 333 Размер: 2,7 Язык: Английский0 (голосов: zero) Оценка:This assortment presents specialist assistance for utilizing Java-based utilities from tasks reminiscent of Apache Commons, Apache Lucene, and Apache pace. you do not have to be a professional, the book's solution-based layout includes code examples for a large choice of net, XML, community, trying out, and alertness initiatives. as a way to methods to mix universal open-source Java utilities to create strong Java functions and instruments, the typical Java Cookbook is for you.

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If your frustration is boiling over, take a look at Joda. Joda contains an entire package devoted to date, time, and duration formatting, and it is not based on the Date or Calendar classes. org/. 15. 1. Problem You need to truncate a date to a calendar field. 2. truncate() to throw out all fields less significant than the specified field. truncate( ) will return a Date object set to the first instance of the month. The day, hour, minute, second, and millisecond field will each contain the minimum possible value for that field.

4. See Also The more you work with Java's Date and Calendar object, the more you will curse the J2SE. If your frustration is boiling over, take a look at Joda. Joda contains an entire package devoted to date, time, and duration formatting, and it is not based on the Date or Calendar classes. org/. 15. 1. Problem You need to truncate a date to a calendar field. 2. truncate() to throw out all fields less significant than the specified field. truncate( ) will return a Date object set to the first instance of the month.

Println( "Last Index of 'Red'? " + lastIndexOfRed ); This example locates strings in a string array and produces the following output: Array contains 'Blue'? true Index of 'Red'? 0 Last Index of 'Red'? 3. Discussion All three methods work with an object array or any primitive array; in fact, almost every method defined in ArrayUtils can be applied to every possible array type—boolean[], byte[], char[], double[], float[], long[], short[], and Object[]. When using a primitive array, ArrayUtils compares the value in question to each element of an array until a match is found.

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Common Java Cookbook by Timothy M. O'Brien


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