These Q&As go over how to use String and Util classes to solve common problems
How do I concatenate Strings
How do I search for a string within a string
How do I trim or reverse a String
How do I de-duplicate Strings
How do I create single byte character Strings
How do I get start of date and end of date times
How do I get start and end dates of a month
How do I convert a date to or from a String
How do I compute hash code for a variable list of objects
How do I remove elements from an array
How do I box and unbox an array of primitives
How do I compare two Arrays
How do I copy array elements
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