📄 腾讯社区：初探c#--4.htm
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8-bit unsigned integral
type
byte val1 = 12;
<BR>
byte val2 = 34U; <BR><BR>ushort 16-bit
unsigned integral
type
ushort val1 = 12;
<BR>
ushort val2 = 34U; <BR><BR>uint
32-bit unsigned integral
type
uint val1 = 12;
<BR>
uint val2 = 34U; <BR><BR>ulong 64-bit
unsigned integral
type
ulong val1 = 12;
<BR>
ulong val2 = 34U;
<BR>
ulong val3 = 56L;
<BR>
ulong val4 = 78UL; <BR><BR>float
Single-precision floating point
type
float value = 1.23F; <BR><BR>double
Double-precision floating point
type
double val1 = 1.23
<BR>
double val2 = 4.56D; <BR><BR>bool
Boolean type; a bool value is
either
bool value = true;
<BR> true or
false <BR><BR>char Character type; a
char value is a
Unicode char
value = 'h';
<BR> character
<BR><BR>decimal Precise decimal type with 28 significant
digits decimal value = 1.23M;
<BR><BR>你也可以自定义自己的预定义类型，可以这样：*/ <BR>using System; <BR>struct
Digit <BR>{...} <BR>class Test <BR>{ <BR> static void
TestInt() { <BR> int a = 1; <BR> int b = 2;
<BR> int c = a + b; <BR> Console.WriteLine(c);
<BR> } <BR> static void TestDigit() { <BR>
Digit a = (Digit) 1; <BR> Digit b = (Digit) 2;
<BR> Digit c = a + b; <BR> Console.WriteLine(c);
<BR> } <BR> static void Main() { <BR>
TestInt(); <BR> TestDigit(); <BR> } <BR>} <BR>/*
<BR>这一节有点沉闷。：（<BR><BR><IMG height=10
src="腾讯社区：初探c#--4.files/tiny3.gif" width=10 border=0> <IMG
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width=10 border=0><BR><FONT color=#568ac2></FONT><BR><FONT
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<TD class=t1 noWrap>作者：<A
href="http://search.tencent.com/cgi-bin/friend/user_show_info?ln=5151599"><IMG
height=16 src="腾讯社区：初探c#--4.files/177.gif" width=16
align=absMiddle border=0> Burn[5151599]</A> 2000-10-26
09:55:02 </TD>
<TD noWrap align=right width="25%"><A class=edit
href="http://bbs.tencent.com/cgi-bin/bbs/bbs_post?type=r&messtype=r&back=1&groupid=102:10047&messageid=145139&begnum=0&bbegnum=50&mmessageid=263511&st=&sc=&club=">[回复]</A>
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border=0>
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<TD class=content>呵呵，我又是第一个了，呵呵，那个王先生呢！
<BR>兄弟再来，我喜欢看。<BR><BR><IMG height=10
src="腾讯社区：初探c#--4.files/tiny3.gif" width=10 border=0> <IMG
height=10 src="腾讯社区：初探c#--4.files/tiny3.gif" width=10
border=0> <IMG height=10 src="腾讯社区：初探c#--4.files/tiny3.gif"
width=10 border=0><BR><FONT
color=#568ac2>我是个盖世英雄，有一天我会驾着七彩降云杀入敌营去救我的情人，我猜对了前头
<BR>也猜对了这结果。（Zzzz....) <BR></FONT><BR><FONT
color=#ff8080></FONT></TD></TR></TBODY></TABLE></TD></TR>
<TR>
<TD>
<TABLE cellSpacing=0 cellPadding=1 width="100%" align=center
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<TD class=t1 noWrap>作者：<A
href="http://search.tencent.com/cgi-bin/friend/user_show_info?ln=21847847"><IMG
height=16 src="腾讯社区：初探c#--4.files/153.gif" width=16
align=absMiddle border=0> 王志清[21847847]</A> 2000-10-27
21:26:28 </TD>
<TD noWrap align=right width="25%"><A class=edit
href="http://bbs.tencent.com/cgi-bin/bbs/bbs_post?type=r&messtype=r&back=1&groupid=102:10047&messageid=145139&begnum=0&bbegnum=50&mmessageid=263575&st=&sc=&club=">[回复]</A>
</TD></TR></TBODY></TABLE>
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border=0>
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<TD class=content>兄弟今天来的是晚了一点，真是抱歉之极！
<BR>只好坐后面一点，认真听课了……<BR><BR><IMG height=10
src="腾讯社区：初探c#--4.files/tiny3.gif" width=10 border=0> <IMG
height=10 src="腾讯社区：初探c#--4.files/tiny3.gif" width=10
border=0> <IMG height=10 src="腾讯社区：初探c#--4.files/tiny3.gif"
width=10 border=0><BR><FONT color=#568ac2></FONT><BR><FONT
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