is there a not equals for char

Scanner in=new Scanner(System.in);
		char ch ;
		do{
			System.out.println("Enter the a character");
		try{
			ch= in.nextLine().charAt(0);
			System.out.println("Char: "+ch);			
		}
		catch (IndexOutOfBoundsException e) {
		      ch = 'z';
		}			
		}while(ch < 'a' || ch > 'g');