java字符串转数组答:Pattern p = Pattern.compile("\\{(\\d|\\d,)+\\}");String s = "{{1,2,3},{4,5,6},{7,8,9},{0},{0}}";Matcher m = p.matcher(s);int[][] data = new int[0][];while (m.find()) { data = Arrays.copyOf(data, data.length+1); String str = m.g...
java中字符串和字符数组有什么区别?答:2、字符数组是char类型的,字符串是String类型的 3、两者之间的相互转化:String s="this is a string";char[ ] c={'t','h','i','s','i','s','a','c','h','a','r'};字符串转换为字符数组 char[ ] ch=s.toCharArray();字符数组转化为字符串 String str=string.valueOf(c...