懸賞分：10
-
解決時間：2007-12-10 16:07
這個題目該怎樣答?
A shallow copy of an Array copies only the elements of the Array , whether they are reference types or value types, but it does not copy the objects that the references refer to. The references in the new Array point to the same objects that the references in the original Array point to.
In contrast, a deep copy of an Array copies the elements and everything directly or indirectly referenced by the elements.
The clone is of the same Type as the original Array .
This method is an O( n ) operation, where n is Length .
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<!--content type: Devdiv1. Transform: orcas2mtps.xslt.-->
<!---->
?Overload?List
<!--src=[../icons/pubmethod.gif]-->
<!--src=[../icons/cfw.gif]-->
<!--src=[../icons/xna.gif]-->
|
CopyTo(Array, Int32) | Copies all the elements of the current one-dimensional Array to the specified one-dimensional Array starting at the specified destination Array index. The index is specified as a 32-bit integer. |
|
<!--src=[../icons/pubmethod.gif]-->
|
CopyTo(Array, Int64) | Copies all the elements of the current one-dimensional Array to the specified one-dimensional Array starting at the specified destination Array index. The index is specified as a 64-bit integer. |
?
using
System
;
public
class
JaggedArray
{
???
public
static
void
Main
(
)
???
{
??????
// 聲明一個鋸齒型數(shù)組，該數(shù)組有兩個元素
??????
int
[
]
[
]
myArray
=
new
int
[
2
]
[
]
;
??????
// 其中第一個元素是一個含有五個元素的數(shù)組
??????
// 初始化myArray[0]
?????? myArray
[
0
]
=
new
int
[
5
]
{
1
,
3
,
5
,
7
,
9
}
;
???????
??????
// 其中第二個元素是一個含有4個元素的數(shù)組
??????
// 初始化myArray[1]
?????? myArray
[
1
]
=
new
int
[
4
]
{
0
,
2
,
4
,
6
}
;
??????
// 逐一打印出數(shù)組的數(shù)組中所有的元素
??????
for
(
int
i
=
0
;
i
<
myArray
.
Length
;
i
+
+
)
??????
{
??????????
Console
.
Write
(
"第({0})個數(shù)組: "
,
i
)
;
??????????
// 打印一維數(shù)組中的元素
??????????
for
(
int
j
=
0
;
j
<
myArray
[
i
]
.
Length
;
j
+
+
)
??????????
{
??????????????
Console
.
Write
(
"{0} "
,
myArray
[
i
]
[
j
]
)
;
??????????
}
??????????
Console
.
WriteLine
(
)
;
????????
???
}
???
Console
.
Read
(
)
;
???
}
}
?
?
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace toshiba_test
{
?enum Days{Mon=1,Tue=6,Wen=9,Thu,Fri,Sat,Sun}
?class Program
?{
??static void Main(string[] args)
??{
???Days d = Days.Fri;
???Console.WriteLine(d);
???Console.WriteLine(d.ToString());
???Console.WriteLine(d.ToString("D"));
???Console.WriteLine(d.ToString("G"));
???Console.WriteLine(d.ToString("X"));
??}
?}
}
?
?
<!--content type: DocStudio. Transform: devdiv2mtps.xslt.-->
?class Program2
?{
??public static void Main(string[] args)
??{
???B b=new B();
???A a = b;
???a.Output();
??}
?}
?public class A
?{
??public A()
??{
???this.Output();
??}
??public virtual void Output()
??{
??}
?}
?public class B:A
?{
??private int y = 0, x = -1;
??public B()
??{
???y = -1;
???Console.WriteLine("y={0}",x);
??}
??public override void Output()
??{
???Console.WriteLine("x={0},y={1}",x,y);
??}
?}
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