使用for循环和String对象的charAt()方法；或者，使用“for each”循环和String对象的toCharArray()方法。
/** * Created by Frank */
public class StrCharAt { public static void main(String[] args) { String a = "A quick bronze fox lept a lazy bovine"; for (int i = 0; i < a.length(); i++) { System.out.println("Char " + i + " is " + a.charAt(i)); } } } public class ForEachChar { public static void main(String[] args) { String s = "Hello Wold"; for (char c : s.toCharArray()) { System.out.println(c); } } }