@Nonnull
	public static String strFormat(int length, int value) {
		return StringUtil.fillLeft(length, "0", Integer.toHexString(value).toUpperCase());
	}
@param length
		Desired length of output.
@param value
		Value to format.

@return String representation of value as a hex number.
recaf-ui/src/main/java/software/coley/recaf/ui/pane/editing/hex/HexUtil.java