в 15:31, 26 мая 2010

2010-05-26T15:31:35Z

Admin: 1 версия

2010-05-26T12:11:56Z

1 версия

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==Char.IsControl==

<source lang="csharp">
using System;
using System.Data;
using System.Text.RegularExpressions;
using System.Text;
class Class1{
static void Main(string[] args){
Console.WriteLine(GetCharKind("f"));
Console.WriteLine(GetCharKind("0"));
Console.WriteLine(GetCharKind("."));
Console.WriteLine(GetCharKind("}"));
}
public static String GetCharKind(char theChar)
{
if (Char.IsControl(theChar))
{
return "Control";
}
else if (Char.IsDigit(theChar))
{
return "Digit";
}
else if (Char.IsLetter(theChar))
{
return "Letter";
}
else if (Char.IsNumber(theChar))
{
return "Number";
}
else if (Char.IsPunctuation(theChar))
{
return "Punctuation";
}
else if (Char.IsSeparator(theChar))
{
return "Separator";
}
else if (Char.IsSurrogate(theChar))
{
return "Surrogate";
}
else if (Char.IsSymbol(theChar))
{
return "Symbol";
}
else if (Char.IsWhiteSpace(theChar))
{
return "Whitespace";
}
else
{
return "Unknown";
}
}
}

</source>

==Char.IsDigit==

<source lang="csharp">
using System;

public class CharDemo {
public static void Main() {
string str = "This is a test. $23";
int i;

for(i=0; i < str.Length; i++) {
Console.Write(str[i] + " is");
if(Char.IsDigit(str[i]))
Console.Write(" digit");
if(Char.IsLetter(str[i]))
Console.Write(" letter");
if(Char.IsLower(str[i]))
Console.Write(" lowercase");
if(Char.IsUpper(str[i]))
Console.Write(" uppercase");
if(Char.IsSymbol(str[i]))
Console.Write(" symbol");
if(Char.IsSeparator(str[i]))
Console.Write(" separator");
if(Char.IsWhiteSpace(str[i]))
Console.Write(" whitespace");
if(Char.IsPunctuation(str[i]))
Console.Write(" punctuation");

Console.WriteLine();
}

Console.WriteLine("Original: " + str);

// Convert to upper case.
string newstr = "";
for(i=0; i < str.Length; i++)
newstr += Char.ToUpper(str[i]);

Console.WriteLine("Uppercased: " + newstr);

}
}

</source>

==Char.IsLetter==

<source lang="csharp">
using System;

class MainClass {
public static void Main() {
string str = "This is a test. $23";
int i;

for(i=0; i < str.Length; i++) {
Console.Write(str[i] + " is");
if(Char.IsLetter(str[i]))
Console.Write(" letter");

Console.WriteLine();
}

}
}

</source>

==Char.IsLower==

<source lang="csharp">

using System;

class MainClass {
public static void Main() {
string str = "This is a test. $23";
int i;

for(i=0; i < str.Length; i++) {
Console.Write(str[i] + " is");
if(Char.IsLower(str[i]))
Console.Write(" lowercase");
if(Char.IsUpper(str[i]))
Console.Write(" uppercase");

Console.WriteLine();
}

}
}

</source>

==Char.IsPunctuation==

<source lang="csharp">
using System;

class MainClass {
public static void Main() {
string str = "This is a test. $23";
int i;

for(i=0; i < str.Length; i++) {
Console.Write(str[i] + " is");
if(Char.IsPunctuation(str[i]))
Console.Write(" punctuation");

Console.WriteLine();
}
}
}

</source>

==Char.IsSeparator==

<source lang="csharp">

using System;

class MainClass {
public static void Main() {
string str = "This is a test. $23";
int i;

for(i=0; i < str.Length; i++) {
Console.Write(str[i] + " is");
if(Char.IsSeparator(str[i]))
Console.Write(" separator");

Console.WriteLine();
}

}
}

</source>

==Char.IsSymbol==

<source lang="csharp">
using System;

class MainClass {
public static void Main() {
string str = "This is a test. $23";
int i;

for(i=0; i < str.Length; i++) {
Console.Write(str[i] + " is");
if(Char.IsSymbol(str[i]))
Console.Write(" symbol");

Console.WriteLine();
}

}
}

</source>

==Char.IsUpper==

<source lang="csharp">
using System;

class MainClass {
public static void Main() {
string str = "This is a test. $23";
int i;

for(i=0; i < str.Length; i++) {
Console.Write(str[i] + " is");
if(Char.IsLower(str[i]))
Console.Write(" lowercase");
if(Char.IsUpper(str[i]))
Console.Write(" uppercase");

Console.WriteLine();
}

}
}

</source>

==Char.IsWhiteSpace==

<source lang="csharp">
using System;

class MainClass {
public static void Main() {
string str = "This is a test. $23";
int i;

for(i=0; i < str.Length; i++) {
Console.Write(str[i] + " is");
if(Char.IsWhiteSpace(str[i]))
Console.Write(" whitespace");

Console.WriteLine();
}

}
}

</source>

==Char.MaxValue==

<source lang="csharp">

using System;
class Test {
public static void Main() {
// First, print out the minimum values
Console.WriteLine("System Minimums\n");
Console.WriteLine( "MinSByte {0}", System.SByte.MinValue);
Console.WriteLine( "MinByte {0}", System.Byte.MinValue);
Console.WriteLine( "MinInt16 {0}", System.Int16.MinValue);
Console.WriteLine( "MinUInt16 {0}", System.UInt16.MinValue);
Console.WriteLine( "MinInt32 {0}", System.Int32.MinValue);
Console.WriteLine( "MinUInt32 {0}", System.UInt32.MinValue);
Console.WriteLine( "MinInt64 {0}", System.Int64.MinValue);
Console.WriteLine( "MinUInt64 {0}", System.UInt64.MinValue);
Console.WriteLine( "MinChar {0}", System.Char.MinValue);
Console.WriteLine( "MinSingle {0}", System.Single.MinValue);
Console.WriteLine( "MinDouble {0}", System.Double.MinValue);
// Console.WriteLine( "MinBoolean {0}", System.Boolean.MinValue);
Console.WriteLine( "MinDecimal {0}", System.Decimal.MinValue);

Console.WriteLine("\nSystem Maximums\n");
Console.WriteLine( "MaxSByte {0}", System.SByte.MaxValue);
Console.WriteLine( "MaxByte {0}", System.Byte.MaxValue);
Console.WriteLine( "MaxInt16 {0}", System.Int16.MaxValue);
Console.WriteLine( "MaxUInt16 {0}", System.UInt16.MaxValue);
Console.WriteLine( "MaxInt32 {0}", System.Int32.MaxValue);
Console.WriteLine( "MaxUInt32 {0}", System.UInt32.MaxValue);
Console.WriteLine( "MaxInt64 {0}", System.Int64.MaxValue);
Console.WriteLine( "MaxUInt64 {0}", System.UInt64.MaxValue);
Console.WriteLine( "MaxChar {0}", System.Char.MaxValue);
Console.WriteLine( "MaxSingle {0}", System.Single.MaxValue);
Console.WriteLine( "MaxDouble {0}", System.Double.MaxValue);
Console.WriteLine( "MaxDecimal {0}", System.Decimal.MaxValue);
}
}

</source>

==Char.MinValue==

<source lang="csharp">

using System;
class Test {
public static void Main() {
// First, print out the minimum values
Console.WriteLine("System Minimums\n");
Console.WriteLine( "MinSByte {0}", System.SByte.MinValue);
Console.WriteLine( "MinByte {0}", System.Byte.MinValue);
Console.WriteLine( "MinInt16 {0}", System.Int16.MinValue);
Console.WriteLine( "MinUInt16 {0}", System.UInt16.MinValue);
Console.WriteLine( "MinInt32 {0}", System.Int32.MinValue);
Console.WriteLine( "MinUInt32 {0}", System.UInt32.MinValue);
Console.WriteLine( "MinInt64 {0}", System.Int64.MinValue);
Console.WriteLine( "MinUInt64 {0}", System.UInt64.MinValue);
Console.WriteLine( "MinChar {0}", System.Char.MinValue);
Console.WriteLine( "MinSingle {0}", System.Single.MinValue);
Console.WriteLine( "MinDouble {0}", System.Double.MinValue);
// Console.WriteLine( "MinBoolean {0}", System.Boolean.MinValue);
Console.WriteLine( "MinDecimal {0}", System.Decimal.MinValue);

Console.WriteLine("\nSystem Maximums\n");
Console.WriteLine( "MaxSByte {0}", System.SByte.MaxValue);
Console.WriteLine( "MaxByte {0}", System.Byte.MaxValue);
Console.WriteLine( "MaxInt16 {0}", System.Int16.MaxValue);
Console.WriteLine( "MaxUInt16 {0}", System.UInt16.MaxValue);
Console.WriteLine( "MaxInt32 {0}", System.Int32.MaxValue);
Console.WriteLine( "MaxUInt32 {0}", System.UInt32.MaxValue);
Console.WriteLine( "MaxInt64 {0}", System.Int64.MaxValue);
Console.WriteLine( "MaxUInt64 {0}", System.UInt64.MaxValue);
Console.WriteLine( "MaxChar {0}", System.Char.MaxValue);
Console.WriteLine( "MaxSingle {0}", System.Single.MaxValue);
Console.WriteLine( "MaxDouble {0}", System.Double.MaxValue);
Console.WriteLine( "MaxDecimal {0}", System.Decimal.MaxValue);
}
}

</source>

==Char.Parse(String value)==

<source lang="csharp">
using System;
class MainClass
{
public static void Main(string[] args)
{
char myChar = char.Parse("w");
Console.WriteLine("-> Value of myChar: {0}\n", myChar);
}
}

</source>

==Char.ToUpper==

<source lang="csharp">
using System;
using System.Data;
using System.Text.RegularExpressions;
using System.Text;
class Class1{
static void Main(string[] args){
Console.WriteLine(IsInRangeCaseInsensitive("c", "a", "G"));
Console.WriteLine(IsInRangeCaseInsensitive("c", "a", "c"));
Console.WriteLine(IsInRangeCaseInsensitive("c", "g", "g"));
Console.WriteLine(IsInRangeCaseInsensitive((char)32, "a", "b"));
}
public static bool IsInRangeCaseInsensitive(char testChar, char startOfRange, char endOfRange)
{
testChar = char.ToUpper(testChar);
startOfRange = char.ToUpper(startOfRange);
endOfRange = char.ToUpper(endOfRange);

if (testChar >= startOfRange && testChar <= endOfRange)
{
// testChar is within the range
return (true);
}
else
{
// testChar is NOT within the range
return (false);
}
}
}

</source>

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Csharp/C Sharp by API/System/Char - История изменений

в 15:31, 26 мая 2010

Admin: 1 версия