更多“Even in the modern world, there are still many people live in ______________. ”相关问题
  • 第1题:

    下列字符型常量Hello,world!表示方法中,错误的是______。

    A.[Hello,world!]

    B.'Hello,wOrld!'

    C.Hello,world!,

    D.{Hello,world!}


    正确答案:D

  • 第2题:

    Examine the following options, Multicasting supports applications that communicate.()

    A. many - to - one

    B. one - to - one

    C. one - to - many

    D. many - to - many


    参考答案:C

  • 第3题:

    13、Java程序向显示器输出信息“Hello, World”,下列哪种写法是错误的?

    A.System.out.print(“Hello, world” );

    B.System.out.println(“Hello, world” );

    C.System.out.print(“Hello, world\n” );

    D.printf(“Hello, world\n” );


    public class test{public static void main(String[] args){System.out.println('Hello!');}}

  • 第4题:

    下列语句中正确的是

    A.char*myString="Hello-World!";

    B.char myString="Hello-World!";

    C.char myString[11]=”Hello-World!”;

    D.char nlyString[12]="Hello-World!";


    正确答案:A
    解析:选项C、D的数组下标超界;对于选项B,不能将字符串赋值给字符,可以将一个字符串赋值给字符指针,指针指向字符数组的首地址。

  • 第5题:

    I should like to rent a house,modern,comfortable and __________in’a quiet environment.

    A.before all

    B.after all

    C.first of all

    D.above all


    正确答案:D

  • 第6题:

    【单选题】下列哪个命令可以下载HDFS目录/user/root/live.txt

    A.hdfs dfs -get /user/root/live.txt

    B.hdfs dfs -download /user/root/live.txt

    C.hdfs dfs -put /user/root/live.txt

    D.hdfs dfs -move /user/root/live.txt


    hdfs dfs -get /hdfstest/test.txt