@Test public void reverseテスト() { assertThat(Strings.reverse(null), nullValue()); assertThat(Strings.reverse(""), is("")); final String[] seeds = Arrays.gen("ABCDE", "あいうえお", "12345"); final String[] expected = Arrays.gen("EDCBA", "おえういあ", "54321"); Arrays.each(seeds, new EachCall<String>() { public void each(String element, int index, int total) { String actual = Strings.reverse(element); assertEquals(expected[index], actual); } }); }
public static String reverse(String reversee) { if (isEmpty(reversee)) return reversee; return new StringBuilder(reversee).reverse().toString(); }
Strings { public static String reverse(String reversee) { if (isEmpty(reversee)) return reversee; return new StringBuilder(reversee).reverse().toString(); } }
Strings { public static String reverse(String reversee) { if (isEmpty(reversee)) return reversee; return new StringBuilder(reversee).reverse().toString(); } private  Strings(); }
Strings { public static String reverse(String reversee) { if (isEmpty(reversee)) return reversee; return new StringBuilder(reversee).reverse().toString(); } private  Strings(); static String substitute(String string, Map<String, ? extends Object> replace); static String substitute(String string, Map<String, ? extends Object> replace, Locale locale); static String findPlaceHolder(String string); static String clearEscapedPlaceHolder(String dirty); static T proper(T returnIfNotEmpty, T alternative); static String toCamel(String snake); static String toSnake(String camel); static String join(T... joinees); static String joinBy(String separator, T... joinees); static String join(List<T> joinees); static String joinBy(String separator, List<T> joinees); static boolean isBlank(CharSequence suspect); static boolean containBlank(CharSequence suspect); static String removeBlanks(CharSequence target); static boolean isEmpty(CharSequence suspect); static boolean isEmpty(CharSequence suspect, boolean removeBlanks); static String reverse(String reversee); static String trim(String target); static String[] split(String regex, String target); static boolean equalsIgnoreCase(String source, String destination); static boolean startsWith(String text, String prefix); static boolean startsWith(String text, String prefix, boolean textCompare); static boolean endsWith(String text, String prefix); static boolean endsWith(String text, String prefix, boolean textCompare); static String escapeHTML(CharSequence html); static String escapeRegex(CharSequence text); }
Strings { public static String reverse(String reversee) { if (isEmpty(reversee)) return reversee; return new StringBuilder(reversee).reverse().toString(); } private  Strings(); static String substitute(String string, Map<String, ? extends Object> replace); static String substitute(String string, Map<String, ? extends Object> replace, Locale locale); static String findPlaceHolder(String string); static String clearEscapedPlaceHolder(String dirty); static T proper(T returnIfNotEmpty, T alternative); static String toCamel(String snake); static String toSnake(String camel); static String join(T... joinees); static String joinBy(String separator, T... joinees); static String join(List<T> joinees); static String joinBy(String separator, List<T> joinees); static boolean isBlank(CharSequence suspect); static boolean containBlank(CharSequence suspect); static String removeBlanks(CharSequence target); static boolean isEmpty(CharSequence suspect); static boolean isEmpty(CharSequence suspect, boolean removeBlanks); static String reverse(String reversee); static String trim(String target); static String[] split(String regex, String target); static boolean equalsIgnoreCase(String source, String destination); static boolean startsWith(String text, String prefix); static boolean startsWith(String text, String prefix, boolean textCompare); static boolean endsWith(String text, String prefix); static boolean endsWith(String text, String prefix, boolean textCompare); static String escapeHTML(CharSequence html); static String escapeRegex(CharSequence text);  }