问题:数组与字符串互相转换
解决方案:
数组==》字符串 public static void join() { String[] solveIds = new String[10]; Arrays.fill(solveIds, "95"); System.out.println(org.apache.commons.lang.StringUtils.join(solveIds, ",")); } 字符串==》数组 public static String[] splitArr() { String testStr = "1@2@3@4@5"; String[] solveIds = testStr.split("@"); return solveIds; }