执行下面的代码后,输出结果为( )。class test{public $data;}Sx=new test();$x->data=100;$y=$x;$y->data=10;echo $x->data; A: 100 B: 10 C: 0 D: null
执行下面的代码后,输出结果为( )。class test{public $data;}Sx=new test();$x->data=100;$y=$x;$y->data=10;echo $x->data; A: 100 B: 10 C: 0 D: null
在一个带头结点的单链表中,头结点的指针为first,那么判断这个链表为空表的条件是( )。 A: first == NULL B: first->link == NULL C: first->data == NULL D: first->link->link == NULL
在一个带头结点的单链表中,头结点的指针为first,那么判断这个链表为空表的条件是( )。 A: first == NULL B: first->link == NULL C: first->data == NULL D: first->link->link == NULL
单选题 An empty linked list consists of (). A: a variable B: two nodes C: data and a link D: a null head pointer
单选题 An empty linked list consists of (). A: a variable B: two nodes C: data and a link D: a null head pointer
GPRS的英文全称为:()。 A: AGlobal Packet Radio Service B: BGeneral Packet Radio Service C: CGeneral Packet Radio System D: DGlobal Packet Radio System
GPRS的英文全称为:()。 A: AGlobal Packet Radio Service B: BGeneral Packet Radio Service C: CGeneral Packet Radio System D: DGlobal Packet Radio System
写出下面算法的功能。Bitree*function(Bitree*bt){Bitree*t,*t1,*t2;if(bt==NULL)t=NULL;else{t=(Bitree*)malloc(sizeof(Bitree));t->data=bt->data;t1=function(bt->left);t2=function(bt->right);t->left=t2;t->right=t1;}return(t);}
写出下面算法的功能。Bitree*function(Bitree*bt){Bitree*t,*t1,*t2;if(bt==NULL)t=NULL;else{t=(Bitree*)malloc(sizeof(Bitree));t->data=bt->data;t1=function(bt->left);t2=function(bt->right);t->left=t2;t->right=t1;}return(t);}
以下哪些是属于特定层的PDU(协议数据单元)的称谓( ) A: data(数据) B: segment(数据段) C: packet(数据包) D: frame(数据帧)
以下哪些是属于特定层的PDU(协议数据单元)的称谓( ) A: data(数据) B: segment(数据段) C: packet(数据包) D: frame(数据帧)
How to improve the performance of the whole network under the network environment of client/server mode? A: Change the size of the packet transmitted according to the size of the network traffic B: Send only "requests" and "results" to reduce network flow C: All data processing is stored locally through the client D: Perform all data processing on the server
How to improve the performance of the whole network under the network environment of client/server mode? A: Change the size of the packet transmitted according to the size of the network traffic B: Send only "requests" and "results" to reduce network flow C: All data processing is stored locally through the client D: Perform all data processing on the server
下面是二叉树的中序遍历算法,对空白处填空()void InOrder_Recursion(BinTree bt) //递归中序遍历{ if( ) return; InOrder_Recursion(bt->leftchild); printf("%c",bt->data); InOrder_Recursion(bt->rightchild);}? 以上答案都不对|bt==NULL|bt!=NULL|bt=NULL
下面是二叉树的中序遍历算法,对空白处填空()void InOrder_Recursion(BinTree bt) //递归中序遍历{ if( ) return; InOrder_Recursion(bt->leftchild); printf("%c",bt->data); InOrder_Recursion(bt->rightchild);}? 以上答案都不对|bt==NULL|bt!=NULL|bt=NULL
You can see()on the table. A: a packet of prawn B: two packets of prawn C: a packet of praw
You can see()on the table. A: a packet of prawn B: two packets of prawn C: a packet of praw
已知结构Resource的定义如下:structResource{publicintData=0;}则下列语句的运行结果为_________。Resource[]list=newResource[20];for(inti=0;i<;20;i++){System.Console.WriteLine(“data={0}”,list[i].Data);}[/i] A: 打印20行,每行输出都是data=0 B: 打印20行,每行输出都是data=null C: 打印20行.第1行输出data=0,第2行输出data=2,.,第20行输出data=19 D: 出现运行时异常
已知结构Resource的定义如下:structResource{publicintData=0;}则下列语句的运行结果为_________。Resource[]list=newResource[20];for(inti=0;i<;20;i++){System.Console.WriteLine(“data={0}”,list[i].Data);}[/i] A: 打印20行,每行输出都是data=0 B: 打印20行,每行输出都是data=null C: 打印20行.第1行输出data=0,第2行输出data=2,.,第20行输出data=19 D: 出现运行时异常