网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
In order to get to Peter’s house early I had his secretary()a map for me..
A. to draw
B. draw
C. drawn
D. drawinging
参考答案
更多 “ In order to get to Peter’s house early I had his secretary()a map for me..A. to drawB. drawC. drawnD. drawinging ” 相关考题
考题
Peter’s jacket looked just the same as Jack’s, but it cost his.A. as much twice as B. twice as much asC. much as twice as D. as twice much as
考题
Peter's jacket looked just the same as Jack’S，but it cost____________his．A．as much twice asB．twice as much asC．much as twice asD．as twice much as
考题
Peter’s jacket looked just the same as Jack’s,but it cost his. A as much twice as B twice as much asC much as twice as D as twice much as
考题
I _____my breakfast at 8, but_____ I lunch yet. .A. had, haven't hadB. had, didn't haveC. have had, didn't have
考题
()father took part in the charity activity in the neighborhood yesterday?Peter's.A. WhoseB. WhatC. Which
考题
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); }
考题
关于Map接口的下列说法错误的是：（）A．Map接口是一个双列集合。B．知道键元素，可以调用Map的get方法获取相应的值元素。C．Map 接口可以使用add（）存储元素。D．HashMap 和TreeMap是Map接口的实现类。
考题
请看一下代码，《插入代码》处应填入的代码是（）Map map=new HashMap（); map.put（“tom”,123.6); map.put（“jim”,234.5); map.put（“terry”,45.3); 《插入代码》 其中《插入代码》处要实现的功能是把key为“jim”的value值在原有数字的基础上添加100。A．map.put(“jim”,map.get(“jim”)+100);B．map.set(“jim”,map.get(“jim”)+100);C．map.put(“jim”,234.5);D．map.set(“jim”,234.5);
考题
Map中以下哪些是正确的方法？A．put(Object key, Object value)B．put(Object value, Object key)C．get(Object key)D．get(int index)
热门标签
最新试卷