Demonstrate params : Parameters Passing « Language Basics « C# / C Sharp

Demonstrate params

/*
C#: The Complete Reference 
by Herbert Schildt 

Publisher: Osborne/McGraw-Hill (March 8, 2002)
ISBN: 0072134852
*/
// Demonstrate params. 
 
using System; 
 
class Min { 
  public int minVal(params int[] nums) { 
    int m; 
 
    if(nums.Length == 0) { 
      Console.WriteLine("Error: no arguments."); 
      return 0; 
    } 
 
    m = nums[0]; 
    for(int i=1; i < nums.Length; i++)  
      if(nums[i] < m) m = nums[i]; 
 
    return m; 
  } 
} 
 
public class ParamsDemo { 
  public static void Main() { 
    Min ob = new Min(); 
    int min; 
    int a = 10, b = 20; 
 
    // call with two values 
    min = ob.minVal(a, b); 
    Console.WriteLine("Minimum is " + min); 
 
    // call with 3 values 
    min = ob.minVal(a, b, -1); 
    Console.WriteLine("Minimum is " + min); 
 
    // call with 5 values 
    min = ob.minVal(18, 23, 3, 14, 25); 
    Console.WriteLine("Minimum is " + min); 
 
    // can call with an int array, too 
    int[] args = { 45, 67, 34, 9, 112, 8 }; 
    min = ob.minVal(args); 
    Console.WriteLine("Minimum is " + min); 
  } 
}

1.	Parameter out and reference
2.	Passing Parameters By Value and By Ref
3.	Objects can be passed to methods
4.	Simple types are passed by value
5.	Objects are passed by reference
6.	Use ref to pass a value type by reference
7.	Swap two values
8.	Use out
9.	Use two out parameters
10.	Swap two references
11.	Use regular parameter with a params parameter
12.	Parameter demo
13.	Passing parameters by reference
14.	Passing parameters by value
15.	Illustrates the use of out parameters
16.	Pass value by reference
17.	Pass value by reference with read only value
18.	Ref and Out Parameters: compiling error
19.	C# Ref and Out Parameters
20.	Ref and Out Parameters 2

Demonstrate params : Parameters Passing « Language Basics « C# / C Sharp

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