2009年名企面试题集锦之华为篇（The HUAWEI article on the interview of famous enterprises in 2009）.docVIP

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2009年名企面试题集锦之华为篇（The HUAWEI article on the interview of famous enterprises in 2009）.doc

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2009年名企面试题集锦之华为篇（The HUAWEI article on the interview of famous enterprises in 2009）

2009年名企面试题集锦之华为篇（The HUAWEI article on the interview of famous enterprises in 2009） ??? 2009 enterprises interview questions highlights of the HUAWEI article HUAWEI 1) written can choose JAVA and C++. 2) interview: A: technically, 40 minutes, ask very fine, UML, single sign on, J2EE Two: 20 minutes, a complete project experience Three: HR, occupation planning, advantages and disadvantages, expected salary and work. Four: Mister. HUAWEI interview questions and answers 1, local variables and global variables can be the same Answer: can, hides the global local. To use global variables, need to use:: Local variables with the same name as a global variable, the variable references within the function, local variables will use the same name, and not use global variables. For some compilers, a local variable in the same function can be defined with the same name, such as local variables in the two cycle in a definition of the same name, and the scope of the local variables in the loop body. 2, how to reference a global variable is already defined Answer: extern Can use the reference of header files, can also use the extern keyword, if the referenced header file to refer to a statement in the header of the global variable, the variable will assume you wrong, so during compilation errors, if you quote extern when you made the same assumption the error, so no errors at compile time, and during the connection error. 3, global variables can be defined in multiple.C files contained in the header file why Answer: can, to declare the name of global variables in the form of static in different C file. Can global variable declarations in different C file of the same name, the premise is the only one C file for this variable initialization, the connection is not wrong 4, the statement for (; 1;) what is the problem of what it means Answer: while (1) and the same. 5, do...... While and while...... What is the difference between do Answer: before a cycle over again after judgment, a ju