应用开发工程师简答笔试题

应用开发工程师简答笔试题

简答题

　　16:类的静态成员和非静态成员有何区别?

　　17:Consider the following code:

　　#include

　　#include

　　int main(int argc, char *argv[]) {

　　int i = 1;

　　char buf[4];

　　strcpy(buf, "AAAA");

　　printf("%d ", i);

　　return 0;

　　}

　　a) When compiled and executed on x86, why does this program usually not output what the programmer intended?

　　b) Name several ways in which the security problem that causes this program not to output what the programmer intended can be prevented WITHOUT changing the code.

　　18:#include

　　void main()

　　{ int a[5] ={2,4,6,9,12},b[6] ={2,3,4,6,8,9};

　　for(int i=0;i<5;i++)

　　for(int j=0;j<6;j++)

　　if(*(a+i)==*(b+j) printf( ″ %d ″ ,*(a+i));

　　printf( ″ n ″ );

　　} 输出结果： _______

　　19:Write a function escape(s,t) that converts characters like newline and tab into visible escape sequences like and as it copies the string t to s . Use a switch . Write a function for the other direction as well, converting escape sequences into the real characters.

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