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Tag: Operation returns TOR tool processing source Address object calling function resRecently wrote several deep-seated articles on arrays and pointers, which referred to "C, where all non-array formal parameter passes are in value-passed
Original link: http://www.cnblogs.com/yanlingyin/Value Passing :The parameter is a copy of the argument, and changing the value of the parameter does not affect the value of the external argument. From the point of view of the called function, the
To understand the difference between value passing, pointer passing, and reference passing, the main purpose is to understand the arguments and parameters of the function, the scope of the function (automatic variables, stacks), the layout of the
Document directory
But this problem may be a big problem in C.
What about Question 2 and C?
Functions can modularize the code and facilitate reuse of the Code. C # inherited from C ++ has similar functions, but there are some minor differences.
Before learning C #, is completely in the work of learning, some of the bottom of the more in-depth truth is not very clear. Now that you have learned Java, it is confusing to pass a value to a Java parameter, not a reference (pointer), not often in
And about the value of delivery, pointer passing, reference transmission in these areas there will be misunderstandings, all I feel the need here also explain ~
Pointers are the same points and different points as references:
★ The same point:1.
The following is the difference between passing by reference and by value in C #, and the use of ref and out keyword is analyzed in detail, the need of friends can come over reference
copy code code as follows:
/give three integers a small to
Http://blog.sina.com.cn/s/blog_673ef8130100imsp.html
A pointer passing parameter is essentially a value passing method, which transmits an address value. During the value transfer process, parameters in the form of the called function are
C + + value delivery, reference passing, pointer passing these concepts have been plagued by C + + programmers, I have never been able to tell the relationship between them through a simple example, or simply to say, find some relevant information,
Passing parameters by valueWhen an argument is passed as a value, a new copy is created.Class Test {static void Main (string[] args) {int x=8;Fo (x);Console.WriteLine ("X={0}", x);}static void Fo (int p){p = p + 1;Console.WriteLine ("P={0}", p);}
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