String str = "abcdefghijklmnopqrstuvwxyz";char[] strS = new char[str.length()];for (int i = 0; i < str.length(); i++) { strS[i] = str.charAt(i);}//思路:将字符串数组变为字符数组^-^
逐个提取字符串元素,再把那元素放到数组中
String [] = new String{a,b,c,d,e,f} ?
split