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A.HHHH
B.Hello,world!
C.HHHHHello
D.HHHH,world!
A.contributed
B.attributed
C.distributed
D.spread
String s = "Hello";s = s + " world!";这两行代码执行后，
原始的String 对象中的内容到底变了没有？
A.130
B.1300
C.13000
D.130000
A、of
B、in
C、on
D、to
试题5：
char *GetMemory(void )
{
char p[] = "hello world";
return p;
}
void Test(void )
{
char *str = NULL;
str = GetMemory();
printf(str );
}
String s = "Hello";s = s + " world!";这两行代码执行后，
原始的String 对象中的内容到底变了没有？
A.stick to
B.come up with
C.carry out
D.lead to
B、Try again
C、Congratulations
D、Just let it go
A.increased at one fourth the rate of urban population
B.increased at four times the rate of urban population
C.will be four times bigger by 2025
D.will double in the period 1990-2025
分析下面的程序：
void GetMemory(char **p,int num)
{
*p=(char *)malloc(num);
}
int main()
{
char *str=NULL;
GetMemory(&str,100);
strcpy(str,"hello");
free(str);
if(str!=NULL)
{
strcpy(str,"world");
}
printf("\n str is %s",str);
getchar();
}
问输出结果是什么？希望大家能说说原因，先谢谢了
