with comments and output screenshot is must. No plagarism please

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Code with comments and output screenshot is must. No plagarism please

Java
/**
* Returns a new string in which every
character in the given string that
* is not already repeated consecutively is
doubled.
<p>
* For example:
<pre>{@code
* "attribute1" -> "aattrriibbuuttee11"
* "AAA Bonds" -> "AAA BBoonnddss"
</pre>
@param text given starting string
@return string with characters doubled
*/
public static String doubleChars(String text)
{
return null;
}
Transcribed Image Text:Java /** * Returns a new string in which every character in the given string that * is not already repeated consecutively is doubled. <p> * For example: <pre>{@code * "attribute1" -> "aattrriibbuuttee11" * "AAA Bonds" -> "AAA BBoonnddss" </pre> @param text given starting string @return string with characters doubled */ public static String doubleChars(String text) { return null; }
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