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Original: http://www.cnblogs.com/GavinDai/archive/2011/10/24/2222735.htmlWe are in the program design, always use the definition of variables and the declaration of variables, but sometimes we are not very clear about the concept, know how it is
1, can local variables and global variable duplicate?
A: Yes, the local will screen the overall situation. To use a global variable, you need to use the "::"
Local variables can have the same name as global variables, and when referenced within a
In fact, the variables have been used many times in the previous example. The amount of value that can be changed while the program is running is called a variable. A variable should have a name and occupy a certain storage unit in memory, where the
Definition and initialization of C + + struct type
It is sometimes necessary to combine different types of data into an organic whole for easy user use. The data of these combinations in a whole are interrelated. For example, a student's number,
compiler compiles a program, it compiles only one source file and generates the corresponding intermediate file (for the VC, the. obj file), and then the connector unifies all intermediate files to form an executable file. The problem is that when
The Declaration tells the compiler some information to assist the compiler in syntax analysis and avoid compiler errors. The definition is to tell the compiler to generate some code that will be used by the connector. That is, the Declaration is for
3rd partC + + World sentient phaseAfter listening to HelloWorld.exe's self-introduction, completed the first close contact with the C + + world, are you all impatient to want a try and start writing C + + programs? The two main tasks of the program
3rd partC + + World sentient phaseAfter listening to HelloWorld.exe's self-introduction, completed the first close contact with the C + + world, are you all impatient to want a try and start writing C + + programs? The two main tasks of the program
Tag: color is medium tar local str local SSI GlobalDescription: Now on the market defined variables of the tutorial and books are basically stored procedures are described, but the stored procedure variables can only be used in begin...end block,
Item 26: variable definitions (variable definition) is postponed whenever possible)
By Scott Meyers
Translator: fatalerror99 (itepub's nirvana)
Release: http://blog.csdn.net/fatalerror99/
If you define a variable with a constructor (constructor) or
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