A.That bus leaves here in 15 minutes.
B.That bus left just now.
C.That bus isn’t here.
D.The bus over there is waiting.
第1题:
A、I/O接口即I/O控制器,负责I/O设备与主机的连接
B、I/O接口用来连接I/O设备与主机
C、I/O接口用来连接I/O设备与主存
D、I/O接口即I/O总线,用来连接I/O设备与CPU
第2题:
25. How many people go out in Mary's car on Sundays?
A.Five.
B.Six.
C.Seven.
D.Eight.
第3题:
1、用于二进制读写的I/O流函数包括
A.get()
B.getline()
C.read()
D.write()
第4题:
A.sixteen
B.thirty-two
C.sixty-four
D.Onehundredandtwenty-eight
第5题:
下面的代码用于输出字符数组ch中每个字符出现的次数,应该填入的代码是()public static void main(String[] args) { char[] ch = { 'a', 'c', 'a', 'b', 'c', 'b' }; HashMap map = new HashMap(); for (int i = 0; i < ch.length; i++) { < 填入代码 > } System.out.println(map); }
A.if (map.contains(ch[i])) { map.put(ch[i], map.get(ch[i]) + 1); } else { map.put(ch[i], 1); }
B.if (map.contains(ch[i])) { map.put(ch[i], (Integer) map.get(ch[i]) + 1); } else { map.put(ch[i], 1); }
C.if (map.containsKey(ch[i])) { map.put(ch[i], (int) map.get(ch[i]) + 1); } else { map.put(ch[i], 1); }
D.if (map.containsKey(ch[i])) { map.put(ch[i], (Integer) map.get(ch[i]) + 1); } else { map.put(ch[i], 1); }
第6题:
用于二进制读写的I/O流函数包括
A.get()
B.getline()
C.read()
D.write()