using System;
class typeTrans
{
	public static void Main() 
	{
		//轉換成功的例子
		int intValue1, intValue2;
		long longValue1, longValue2;
		intValue1 = 123;
		longValue1 = 456;
		longValue2 = intValue1;  //隱式轉換
		intValue2 = (int)longValue1;  //顯示轉換
		//longValue1的值為456，在int類型能存儲的范圍內，轉換成功
		Console.WriteLine("(long){0} = {1}", intValue1, longValue2);
		Console.WriteLine("(int){0} = {1}", longValue1, intValue2);

		//轉換失敗的例子
		long longValue3 = 2147483657L;
		int intValue3 = (int) longValue3;  
		//int存放的最大的數為2147483647，在這里把2147483657賦值給它，所以溢出了，轉換失敗。
		Console.WriteLine("(int){0} = {1}", longValue3, intValue3);		
	}
}