2009年名企面试题集锦之华为篇（In 2009 the HUAWEI article highlights enterprises interview questions）.doc

2009年名企面试题集锦之华为篇（In 2009 the HUAWEI article highlights enterprises interview questions） In 2009, HUAWEI was featured in an interview with famous companies HUAWEI 1) written examination, you can choose JAVA and C++. 2) interview: One side: technical side, 40 minutes, asked very thin, UML, single sign on, J2EE Two sides: synthesis, 20 minutes, a project, a complete experience Three aspects: HR, career planning, strengths and weaknesses, expectations, salaries and workplace. Four sides: Mister face HUAWEI interview questions and answers 1, local variables and global variables can be the same Answer: can, partial will block the whole situation. To use global variables, you need to use:: Local variables can have the same name as global variables. When referencing this variable within a function, local variables of the same name are used instead of 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 do you refer to a global variable that has been 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, can global variables be defined in header files that can be contained in multiple.C files, and why? Answer: Yes, in different C files, declare the global variable of the same name in the form of static. You can declare global variables of the same name in different C files, provided that only one C file has an initial value for this variable, and the connection will not go wrong 4, statement for ((1)) whats the problem? What does it mean? Answer: the same as w