【多选题】How to compare if two strings are equal? String str1=new String("There is a dog"); Scanner sc=new Scanner(System.in); String str2=sc.nextLine();
A.
if(str1==str2) //do something
B.
if(str1.equals(str2)) //do something
C.
if(str2==str1) //do something
D.
if(str2.equals(str1)) //do something
【单选题】You are integrating a Windows Communication Foundation (WCF) service within an enterprise-wide Service Oriented Architecture (SOA).Your service has the following service contract: [ServiceContract]pub...
A.
Inside the ConfirmCreditCard method, surround the code that must participate in the transaction with a using(new TransactionScope()) block.
B.
Inside the ConfirmCreditCard method, surround the code that must participate in the transaction with a using(new CommittableTransaction()) block.
C.
Add an [OperationBehavior(TransactionScopeRequired=true)] attribute to the ConfirmCreditCard method.
D.
Add an [OperationBehavior(TransactionAutoComplete=true)] attribute to the ConfirmCreditCard method.
【单选题】硅酸盐水泥初凝时间不小于 45min ,终凝时间不大于( ),普通硅酸盐水泥初 凝不小于 45min ,终凝不大于( )。
【简答题】在一棵非空二叉树中,若度为0的结点的个数n,度为2的结点个数为m,则有n=________ (系统根据字符串匹配来判定答案,所以您的答案中请不要包含空格)For a binary tree with at least one node, if there are n nodes with degree 0 and m nodes with degree 2, then n = ________(T...
【简答题】复合硅酸盐水泥初凝时间不小于45min,终凝时间不大于600min。
【简答题】读以下程序说明和c程序填空 程序说明:
输入一行字符,统计其中有多少个单词,单词之间用空格分开 程序: #include void main() { char string[81]; int I, num=0,word=0; _______(1)__________; gets(string); for(i=0;c=string[i])!='\0';i++)//直到字符串的末尾 { if(str...
【判断题】openDatabase打开一个已经存在的数据库,如果数据库不存在则会出错
【简答题】For a binary tree with at least one node, if there are n nodes with degree 0 and m nodes with degree 2, then n = ________ ( This problem is judged by string matching, Please make sure your answer don'...
【判断题】openDatabase打开一个已经存在的数据库,如果数据库不存在则会出错
【判断题】Apollo and Daphne by Bernini in the Galleria Borghese