Analysis for Patient-Centered Outcomes Research Prioritization Evan R. Myers, MD, MPH, Amanda J. McBroom, PhD, Lan Shen, MD, Rachael E. Posey, MSLS, Rebecca Gray ...

To extract a single character from a String. char charAt(int where) where -> index of the character; value must be non-negative. Example: char ch; ch = “abc”.charAt(1); //assign the value “b” to ch. To extract …

When Java converts data into its string representation during concatenation, it does so by calling one of the overloaded versions of the string conversion method valueOf( ) defined by String. valueOf( ) is …

To learn about the methodology, please visit: https://independentsector.org/research/value-of-volunteer-time-methodology/

For the simple types, valueOf( ) returns a string that contains the human-readable equivalent of the value with which it is called. For objects, valueOf( ) calls the toString( ) method on the object.

Returns a string representation of the specified object argument. If the argument is not a String, the valueOf method converts it into a String by calling the toString method on the argument, if available, …

The Java API documentation for the wrapper classes say to use instead of the constructor the static function valueOf (e.g. Integer.valueOf (3), Boolean.valueOf (true)) because valueOf is likely to yield …