易安信笔试题和面试题答案

招聘笔试题2018-11-22王新老师

  如下这份2016年易安信笔试题,是一位网友笔试完跟大家分享的,大家敬请关注!
  1 protected成员函数能被肿么调用

  2 “has-a” relationship是指的啥,答案有instance, reference, pointer等。。。

  3 int, char, short, long的字节数

  4 在C++中,变量用时声明是为啥

  5 命名空间的作用

  6 int a[10][10];

  int *b[10];

  以下哪个正确

  a[3][4] = 91;

  b[3][4] = 91;

  a[1] =NULL;

  b[1] = a[2];

  7 12&&10, 12||10, 12&10, 3>>1, 3>1的结果

  8 x86_64系统下

  struct

  {

  int i;

  char c;

  double d;

  };

  union

  {

  int i;

  char c;

  double d;

  };

  char s[100];

  long c;

  sizeof的值

  10. An employee has one or two managers, and one manager manages one or more employees. In database conceptual design, the relationship between entity sets employee and manager is

  A one to one

  B one to many

  C many to one

  D many to many

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