how to use a while statement with char in java
private static char getHighLow(Scanner keyboard)
{
System.out.println("High, Low, or Sevens (H/L/S): ");
String choiceString = keyboard.next();
char choice = choiceString.charAt(0);
while (choice != 'H' || choice != 'h' || choice != 'L' || choice != 'l' || choice != 'S' || choice != 's')
{
System.out.println("You have entered an invalid entry.");
System.out.println("High, Low, or Sevens (H/L/S): ");
choiceString = keyboard.next();
}
return choice;
}