本文整理匯總了C#中System.Random.Random構造函數的典型用法代碼示例。如果您正苦於以下問題：C# Random構造函數的具體用法？C# Random怎麽用？C# Random使用的例子？那麽, 這裏精選的構造函數代碼示例或許可以為您提供幫助。您也可以進一步了解該構造函數所在類System.Random的用法示例。
在下文中一共展示了Random構造函數的3個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的C#代碼示例。
示例1: Main
//引入命名空間
using System;
using System.Threading;
public class RandomNumbers
{
public static void Main()
{
Random rand1 = new Random();
Random rand2 = new Random();
Thread.Sleep(2000);
Random rand3 = new Random();
ShowRandomNumbers(rand1);
ShowRandomNumbers(rand2);
ShowRandomNumbers(rand3);
}
private static void ShowRandomNumbers(Random rand)
{
Console.WriteLine();
byte[] values = new byte[5];
rand.NextBytes(values);
foreach (byte value in values)
Console.Write("{0, 5}", value);
Console.WriteLine();
}
}輸出：
28 35 133 224 58 28 35 133 224 58 32 222 43 251 49
示例2: RunIntNDoubleRandoms
// Example of the Random class constructors and Random.NextDouble( )
// method.
using System;
using System.Threading;
public class RandomObjectDemo
{
// Generate random numbers from the specified Random object.
static void RunIntNDoubleRandoms( Random randObj )
{
// Generate the first six random integers.
for( int j = 0; j < 6; j++ )
Console.Write( " {0,10} ", randObj.Next( ) );
Console.WriteLine( );
// Generate the first six random doubles.
for( int j = 0; j < 6; j++ )
Console.Write( " {0:F8} ", randObj.NextDouble( ) );
Console.WriteLine( );
}
// Create a Random object with the specified seed.
static void FixedSeedRandoms( int seed )
{
Console.WriteLine(
"\nRandom numbers from a Random object with " +
"seed = {0}:", seed );
Random fixRand = new Random( seed );
RunIntNDoubleRandoms( fixRand );
}
// Create a random object with a timer-generated seed.
static void AutoSeedRandoms( )
{
// Wait to allow the timer to advance.
Thread.Sleep( 1 );
Console.WriteLine(
"\nRandom numbers from a Random object " +
"with an auto-generated seed:" );
Random autoRand = new Random( );
RunIntNDoubleRandoms( autoRand );
}
static void Main( )
{
Console.WriteLine(
"This example of the Random class constructors and " +
"Random.NextDouble( ) \n" +
"generates the following output.\n" );
Console.WriteLine(
"Create Random objects, and then generate and " +
"display six integers and \nsix doubles from each.");
FixedSeedRandoms( 123 );
FixedSeedRandoms( 123 );
FixedSeedRandoms( 456 );
FixedSeedRandoms( 456 );
AutoSeedRandoms( );
AutoSeedRandoms( );
AutoSeedRandoms( );
}
}輸出：
Create Random objects, and then generate and display six integers and six doubles from each. Random numbers from a Random object with seed = 123: 2114319875 1949518561 1596751841 1742987178 1586516133 103755708 0.01700087 0.14935942 0.19470390 0.63008947 0.90976122 0.49519146 Random numbers from a Random object with seed = 123: 2114319875 1949518561 1596751841 1742987178 1586516133 103755708 0.01700087 0.14935942 0.19470390 0.63008947 0.90976122 0.49519146 Random numbers from a Random object with seed = 456: 2044805024 1323311594 1087799997 1907260840 179380355 120870348 0.21988117 0.21026556 0.39236514 0.42420498 0.24102703 0.47310170 Random numbers from a Random object with seed = 456: 2044805024 1323311594 1087799997 1907260840 179380355 120870348 0.21988117 0.21026556 0.39236514 0.42420498 0.24102703 0.47310170 Random numbers from a Random object with an auto-generated seed: 380213349 127379247 1969091178 1983029819 1963098450 1648433124 0.08824121 0.41249688 0.36445811 0.05637512 0.62702451 0.49595560 Random numbers from a Random object with an auto-generated seed: 861793304 2133528783 1947358439 124230908 921262645 1087892791 0.56880819 0.42934091 0.60162512 0.74388610 0.99432979 0.30310005 Random numbers from a Random object with an auto-generated seed: 1343373259 1992194672 1925625700 412915644 2026910487 527352458 0.04937517 0.44618494 0.83879212 0.43139707 0.36163507 0.11024451
示例3: Main
//引入命名空間
using System;
using System.Threading;
public class Example
{
public static void Main()
{
Random rand1 = new Random((int) DateTime.Now.Ticks & 0x0000FFFF);
Random rand2 = new Random((int) DateTime.Now.Ticks & 0x0000FFFF);
Thread.Sleep(20);
Random rand3 = new Random((int) DateTime.Now.Ticks & 0x0000FFFF);
ShowRandomNumbers(rand1);
ShowRandomNumbers(rand2);
ShowRandomNumbers(rand3);
}
private static void ShowRandomNumbers(Random rand)
{
Console.WriteLine();
byte[] values = new byte[4];
rand.NextBytes(values);
foreach (var value in values)
Console.Write("{0, 5}", value);
Console.WriteLine();
}
}輸出：
145 214 177 134 173 145 214 177 134 173 126 185 175 249 157