A Java string is a sequence of characters that exists ... The example above prints the value of the first position in the character array ch. The exact print statement is: e. Below are examples of ...

Given a string s consisting of small English letters, find and return the first instance of a non-repeating character in it. If there is no such character, return '_'. Example For s = "abacabad", the ...

Follow these steps to find the length of a String in Java: Declare a variable of type String ... of the length of a String when the trim method is called first. toUpperCase() Converts all characters ...

and * the same way that SQL does (i.e., * is zero or more chars, and ? is exactly one). I'm working on a crossword puzzle assistant program, so a user needs to be able to enter a string like 'ca??', ...