执行下列语句后输出的结果是String s = "\"Hello,World!\"";System.out.println(s.length());
给定下列代码,字符串s的长度是_____。char []chars = {'中','国','π','α','M','N'};String s = new String(chars);System.out.println(s.length());
下面代码的输出结果是0。String s = new String();System.out.println(s.length());
A. 对
B. 错
声明一个有5个int元素的数组,正确的是
A. int intArray = new int[5];
B. int intArray = new int(5);
C. int[] intArray = new int[5];
D. int[5] intArray = new int[5];