Java gives you the ability to dynamically create strings. Even after you set the string value, you can add more characters to the string value throughout the code. This process lets you build a string ...

Sometimes you need a string that's filled with a specific number of characters. There are lots of ways to do that but the easiest is to use the New keyword with the String class because the New ...

A regex of the form [:alpha:]{2}\d{3} should do the trick. If your regex engine doesn't support [:alpha:], use [a-zA-Z] instead.