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Create a method that returns a string where for every char in the original, there are two chars. Example: method ("wat") → "wwaatt" method ("java") → "jjaavvaa" method ("HelloWorld") → "HHeellooWWoorrlldd" Method declaration: public String method(String str){                 //answers here }

Create a method that returns a string where for every char in the original, there are two chars. Example: method ("wat") → "wwaatt" method ("java") → "jjaavvaa" method ("HelloWorld") → "HHeellooWWoorrlldd" Method declaration: public String method(String str){                 //answers here }

Database System Concepts
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
Problem 1PE
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Create a method that returns a string where for every char in the original, there are two chars.

Example:

method ("wat") → "wwaatt"
method ("java") → "jjaavvaa"
method ("HelloWorld") → "HHeellooWWoorrlldd"

Method declaration:

public String method(String str){

                //answers here

}

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