用length()方法、charAt方法结合for循环就行了,
package com.golden.test;
public class TestString {
public static void main(String[] args) {
String str = "你叫神马?我叫Tesson.";
for (int i = 0; i < str.length(); i++) {
char item = str.charAt(i);
System.out.println(item);
}
}
}