= al.GetEnumerator();
while (ie.MoveNext())
{
System.Console.WriteLine("Value: {0}", ie.Current);
}
System.Console.WriteLine("按\"y\"健,执行下面写操作将抛出异常,按其他健跳过写操作继续:");
if (System.Console.ReadLine().ToLower() == "y")
{
System.Console.WriteLine("抛出异常...");
al.Clear();
}
System.Console.WriteLine("\nReadOnlyHashTable Property Test:");
//多态
System.Collections.Hashtable ht = x.ReadOnlyHashTable;
foreach (System.Collections.DictionaryEntry e in ht)
{
System.Console.WriteLine("Key: {0} , Value: {1}", e.Key, e.Value);
}
System.Console.WriteLine();
System.Collections.IDictionaryEnumerator ide = ht.GetEnumerator();
while (ide.MoveNext())
{
System.Console.WriteLine("Key: {0} , Value: {1}", ide.Key, ide.Value);
}
System.Console.WriteLine("按\"y\"健,执行下面写操作将抛出异常,按其他健跳过写操作继续:");
if (System.Console.ReadLine().ToLower() == "y")
{
System.Console.WriteLine("抛出异常...");
ht.Clear();
}
System.Console.ReadLine();
}
}
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