1:接口可以被哪一些修饰符修饰?
答案:interface only public & abstract are permitted、
2:输出下面的答案!
public class StringLength { public static void main(String[] args) throws Exception { String str = "我是大鑫"; System.out.println(str.length());//4 System.out.println(str.getBytes("utf8").length);//12 System.out.println(str.getBytes("gbk").length);//8 System.out.println(str.getBytes("unicode").length);//10 } }