Tools { public static String postPadString(final String stringToPad, final int paddedLength) { final int missingPadding = paddedLength - stringToPad.length(); final StringBuilder paddedString = new StringBuilder(stringToPad); for (int i = 0; i < missingPadding; i++) { paddedString.append(" "); } return paddedString.toString(); } private  Tools(); static String getTime(); static String getDoubleDigit(final int number); static String dateToString(@Nullable final Date d, final String format); static String decimalFormat(final String format, final double number); static boolean isValidNick(@Nullable final String nick); static String byteToString(final long bytes); static int getBytes(final String text); static void sleep(final long millis); @Nullable static String capitalizeFirstLetter(@Nullable final String word); @Nullable static String shorten(@Nullable final String word, final int length); @Nullable static String getFileExtension(@Nullable final String filename); @Nullable static String getFileBaseName(@Nullable final String filename); static double percent(final double fraction, final double total); static double percentOf(final double percent, final double total); static String postPadString(final String stringToPad, final int paddedLength); static boolean isEmpty(@Nullable final String string); static String appendSlash(final String path); static File getFileWithIncrementedName(final File existingFile); static String emptyIfNull(@Nullable final String string);  }
@Test public void postPadString() { assertEquals("Hello", Tools.postPadString("Hello", 0)); assertEquals("Hello", Tools.postPadString("Hello", 5)); assertEquals("Hello ", Tools.postPadString("Hello", 6)); assertEquals("Hello ", Tools.postPadString("Hello", 7)); assertEquals("Hello ", Tools.postPadString("Hello", 12)); }