в 15:31, 26 мая 2010

2010-05-26T15:31:18Z

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2010-05-26T11:38:59Z

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==A public constructor initializes private instance variable balance through public property. ==

<source lang="csharp">

using System;
public class Account
{
private decimal balance;
public Account( decimal initialBalance )
{
Balance = initialBalance;
}
public void Credit( decimal amount )
{
Balance = Balance + amount;
}
public decimal Balance
{
get
{
return balance;
}
set
{
if ( value >= 0 )
balance = value;
}
}
}
public class AccountTest
{
public static void Main( string[] args )
{
Account account1 = new Account( 5.00M );
Account account2 = new Account( -7.53M );
Console.WriteLine( "account1 balance: {0:C}",account1.Balance );
Console.WriteLine( "account2 balance: {0:C}\n",account2.Balance );
decimal depositAmount;
Console.Write( "Enter deposit amount for account1: " );
depositAmount = Convert.ToDecimal( Console.ReadLine() );
Console.WriteLine( "adding {0:C} to account1 balance\n",depositAmount );
account1.Credit( depositAmount );
Console.WriteLine( "account1 balance: {0:C}",account1.Balance );
Console.WriteLine( "account2 balance: {0:C}\n",account2.Balance );
Console.Write( "Enter deposit amount for account2: " );
depositAmount = Convert.ToDecimal( Console.ReadLine() );
Console.WriteLine( "adding {0:C} to account2 balance\n",depositAmount );
account2.Credit( depositAmount );
Console.WriteLine( "account1 balance: {0:C}", account1.Balance );
Console.WriteLine( "account2 balance: {0:C}", account2.Balance );
}
}

</source>

==Class declaration with a public method that has a parameter.==

<source lang="csharp">

using System;
public class MyClass
{
public void DisplayMessage( string courseName )
{
Console.WriteLine( "Welcome to the grade book for\n{0}!",courseName );
}
}
public class MyClassTest
{
public static void Main( string[] args )
{
MyClass myMyClass = new MyClass();
Console.WriteLine( "Please enter the course name:" );
string nameOfCourse = Console.ReadLine();
Console.WriteLine();
myMyClass.DisplayMessage( nameOfCourse );
}
}

</source>

==Class declaration with one public method.==

<source lang="csharp">

using System;
public class MyClass
{
public void DisplayMessage()
{
Console.WriteLine( "Welcome to the Grade Book!" );
}
}
public class MyClassTest
{
public static void Main( string[] args )
{
MyClass myMyClass = new MyClass();
myMyClass.DisplayMessage();
}
}

</source>

==MyClass class with a public constructor to initialize the course name.==

<source lang="csharp">

using System;
public class MyClass
{
private string courseName;
public MyClass( string name )
{
CourseName = name;
}
public string CourseName
{
get
{
return courseName;
}
set
{
courseName = value;
}
}
public void DisplayMessage()
{
Console.WriteLine( CourseName );
}
}
public class MyClassTest
{
public static void Main( string[] args )
{
MyClass gradeBook1 = new MyClass("C#" );
MyClass gradeBook2 = new MyClass("Data Structures" );
Console.WriteLine( "gradeBook1 course name is: {0}",gradeBook1.CourseName );
Console.WriteLine( "gradeBook2 course name is: {0}",gradeBook2.CourseName );
}
}

</source>

==User-defined public method==

<source lang="csharp">

using System;
public class MaximumFinder
{
public void DetermineMaximum()
{
Console.WriteLine( "Enter three floating-point values,\n pressing "Enter" after each one: " );
double number1 = Convert.ToDouble( Console.ReadLine() );
double number2 = Convert.ToDouble( Console.ReadLine() );
double number3 = Convert.ToDouble( Console.ReadLine() );
double result = Maximum( number1, number2, number3 );
Console.WriteLine( "Maximum is: " + result );
}
public double Maximum( double x, double y, double z )
{
double maximumValue = x;
if ( y > maximumValue )
maximumValue = y;
if ( z > maximumValue )
maximumValue = z;
return maximumValue;
}
}
public class MaximumFinderTest
{
public static void Main( string[] args )
{
MaximumFinder maximumFinder = new MaximumFinder();
maximumFinder.DetermineMaximum();
}
}

</source>

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в 15:31, 26 мая 2010

Admin: 1 версия