C#

public bool TrueOrFalse()
{
int four = 4;
int five = 5;
bool answer;
Console.WriteLine("4 * 5 should equal: {0}", four * five);
four*five
return answer;
}

public bool TrueOrFalse()
{
int four = 4;
int five = 5;
bool answer = false; // always good practice to set the default :)
Console.WriteLine("4 * 5 should equal: {0}", four * five);
if((four*five) == 20)
{
answer=true;
}
//no need for an else as answer is preset to false at the declaration

return answer;
}

public static class GlobalApplication
{
 private static SortedList<string,> globalVars = new SortedList<string,>();

public static void AddGlobalVar(string variableName, object variableValue)
{
if (!globalVars.Keys.Contains(variableName.ToLower())
{
globalVars.Add(variableName.ToLower(), variableValue);
}

public static object GetGlobalVar(string variableName)
{
if (!globalVars.Keys.Contains(variableName.ToLower())
{
return null;
}
return globalVars[variableName.ToLower()];
}
}

}

GlobalApplication.AddGlobalVar("database connection", your.database.object)

YourDatabaseObject db = (GlobalApplication.GetGlobalVar("database connection") == null) ? null : (YourDatabaseObject)GlobalApplication.GetGlobalVar("database connection"); 

dhaim
programming is a hobby that make some money as side effect