How can I find the first repeating character from the user entered string in Java programming language. Please don't use Map data structures.

Q# Describe what a data structure is for a char**? (e.g. char** argv) Group of answer choices A. It is a pointer to a single c-string. B. It is an array of c-strings C. It is the syntax for dereferencing a c-string and returning the value.

What is the name of the operation for string objects?

TAKE A LIST OF STRING FROM THE USER AND COUNT THE NUMBER OF UNIQUE ELEMENTS WITHOUT USING THE FOR, WHILE, Do-WHILE LOOPS. PREFERRED PROGRAMMING LANGUAGE: JAVA/C++

What mechanism is used to show the string value of an enumerator?

A String object in Java is considered to be mutable, i.e., the characters it contains can be changed by its methods.  True  False

When you successfully construct an instance of a structure, what do you get exactly?