更多“He ________ a system to put Chinese characters into computers. ”相关问题
  • 第1题:

    ( ) are ( ).

    A、The Chineses/ a hard working people

    B、The Chinese/ hard working people

    C、Chinese/ hardworking peoples

    D、Chinese/ hardworking people


    参考答案:A

  • 第2题:

    给定如下Java程序代码片段,编译运行这段代码,结果是( )。

    java.util.HashMapmap=newjava.util.HashMap();

    map.put("name",null);

    map.put("name","Jack");

    System.out.println(map.get("name"));

    A.null

    B.Jack

    C.nullJack

    D.运行时出现异常


    正确答案:B

  • 第3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); }


    if (map.containsKey(ch[i])) { map.put(ch[i], (Integer)map.get(ch[i]) + 1); } else { map.put(ch[i], 1); }

  • 第4题:

    Chinese()are not written with an alphabet, making it very hard for a lot of

    A、names

    B、foods

    C、characteristics

    D、characters


    正确答案:D
    解析:汉字Chinese characters

  • 第5题:

    给定如下Java代码,编译运行的结果是()。 public class Test { public static void main(String[] args) { Map<String, String> map = new HashMap<String, String>(); String s = "code"; map.put(s, "1"); map.put(s, "2"); System.out.println(map.size()); } }

    A.编译时发生错误

    B.运行时引发异常

    C.正确运行,输出:1

    D.正确运行,输出:2


    B

  • 第6题:

    给定如下Java 程序代码片段,编译运行这段代码,结果是 java.util.HashMap map = new java.util.HashMap(); map.put("name",null); map.put("name","Jack"); System.out.println(map.get("name"));

    A.null

    B.Jack

    C.nullJack

    D.运行时出现异常


    C