1/4 3/10 () 2/5 A.23/50 B.17/40 发布时间:2017-07-14 05:34 │ 来源:www.tikuol.com 题型:单项选择题 问题: 1/4 3/10 () 2/5 A.23/50 B.17/40 C.11/30 D.7/20
题型:单项选择题 执行下列程序后,输出结果为( )。 public class Test {public static void main (String[] args) { StringBuffer sb = new StringBuffer("北京 2008" ); System. out. println ("length =" + sb. length ( ) ); } }A.length = 8B.length = 10C.length = 6D.length = 20 查看答案