public String firstAndLast(String str){//declare and create your first char //declare and create your second char //return your first and last char as a String } Write a method that returns a String that is just the first and last character ofthe given string.Your return value should be only two characters long. You can assume that thegiven string will not be empty.The method signature should bepublic String firstAndLast(String str)

Answered: public String firstAndLast(String str)…

public String firstAndLast(String str) { //declare and create your first char //declare and create your second char //return your first and last char as a String }

Microsoft Visual C#

7th Edition

ISBN:9781337102100

Author:Joyce, Farrell.

Publisher:Joyce, Farrell.

Chapter7: Using Methods

Section: Chapter Questions

Problem 9E

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Concept explainers

Methods of StringBuilder class

The StringBuilder class can be used to create mutable strings. The methods defined in the StringBuilder class are widely used to manipulate and concatenate strings. It is a non-synchronized class which has public methods that can be accessed by multiple threads. It is not thread-safe.

Question

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public String firstAndLast(String str)

{

//declare and create your first char

//declare and create your second char

//return your first and last char as a String

}

Write a method that returns a String that is just the first and last character of
the given string.
Your return value should be only two characters long. You can assume that the
given string will not be empty.
The method signature should be
public String firstAndLast(String str)

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