StringUtil { public static String getArraysStr(Object[] arrayObj) { return ArrayUtils.toString(arrayObj, null); }  static boolean isWhitespace(char c); static boolean isZenHankakuSpace(char c); static String rtrim(String str); static String ltrim(String str); static String trim(String str); static String rtrimZ(String str); static String ltrimZ(String str); static String trimZ(String str); static String toShortClassName(String longClassName); static String getExtension(String name); static String toHexString(byte[] byteArray, String delim); static String capitalizeInitial(String str); static String[] parseCSV(String csvString); static String[] parseCSV(String csvString, String escapeString); static String dump(Map<?, ?> map); static String getArraysStr(Object[] arrayObj); static String hankakuToZenkaku(String value); static String zenkakuToHankaku(String value); static String filter(String str); static String toLikeCondition(String condition); static int getByteLength(String value, String encoding); static final String LINE_SEP; static final String LIKE_ESC_CHAR; }
@Test public void testGetArraysStr01() throws Exception { final String[] str = { "1", "2", "3", "4", "5" }; String result = StringUtil.getArraysStr(str); assertEquals("{1,2,3,4,5}", result); }