java字符串和字符数组,java字符转数组

/** String 转数成就的金针菇/public static String[] StringToArray(String str){ String[] arr=new String[]{}; if(StringUtils.isNotEmpty(str)){ str= str.replaceAll("\[","").replaceAll("]","") .replaceAll(" ","") .replaceAll(""",""); arr=str.split(","); } return arr;}/** String 转Int数成就的金针菇/public static int[] StringToIntArray(String str){ int[] arr=new int[]{}; if(StringUtils.isNotEmpty(str)){ str= str.replaceAll("\[","").replaceAll("]","") .replaceAll(" ","") .replaceAll(""",""); String[] tagId=str.split(","); // 字符串数组转int数组 arr = Arrays.stream(tagId).mapToInt(Integer::parseInt).toArray(); } return arr;}