import java.util.* ; public class ex1 { public static void main( String args[] ) { char ch1 = ' ' ; System.out.println( "Enter a single character: " ) ; Scanner scanner = new Scanner(System.in); ch1 = scanner.next().charAt(0) ; //user msut enter //'Y','y', 'N' or 'n' //Hint use the && operator while ( ) { System.out.println( "Enter a single character: " ) ; ch1 = scanner.next().charAt(0) ; } System.out.println( "The character entered was:" + ch1 ) ; } //public static void main( String args[] ) }