Write a single Java if-else statement that outputs the value of a char variable GRADE if GRADE is equal to 'A' or 'B' or 'C' or 'D' or 'F'; otherwise, output the message "Input Error".

Following are the program in java is given below

import java.util.*; // import package

public class Main // main class

{

public static void main(String[] args) // MAIN FUNCTION

{

Scanner scan2 = new Scanner(System.in);// scanner CLASS

System.out.println("Enter the Grade ");

char GRADE = scan2.next().charAt(0);//Read input by user

if(GRADE=='A' || GRADE=='B' || GRADE=='C' || GRADE=='D' || GRADE=='F' ) // //CHECK CONDITION

{    

System.out.println("The GRADE is :" +GRADE); // display grade  

}

else // Else block

{

System.out.println(" Input Error"); // display message

}

}

}

Output:

Enter the Grade

D

The GRADE is :D

Explanation:

Following are the description of program

answerthe reference of the object;