Java和C#基本类库的区别

Posted 2020-09-07

java.lang

java	.net
Boolean	System.Boolean
Byte	System. Byte
Character	System.Char
Class	System.Type
Double	System.Double
Float	System.Single
Integer	System.Int32
Long	System.Int64
Math	System.Math
Object	System.Object
Process	System. Diagnostics .Process
Runtime	System. Diagnostics .Process
Short	System.Int16
StrictMath	System.Math
Strng	System.Strng
StringBuffer	System. Text .StringBuffer
Thread	System. Threading .Thread
ThreadLocal	System.LocalDataStoreSlot

java.lang.reflect

java	.net
AccessibleObject	System.reflection.MemberInfo
Array	System. Array
Constructor	System.reflection.ConstructorInfo
Field	System.reflection.FieldInfo
Method	System.reflection.MethodInfo
Modifier	System.reflection.MethodAttributes
ReflectdPermission	System. Security . Permissions.ReflectdPermission

java.lang.ref

java	.net
WeakReference	System.WeakReference

 

java.util包

java.util

java	.net
AbstractColletion	System.Collections.CollectionsBase
ArrayList	System.Collections.ArrayList
Arrays	System.Arrays
BitSet	System.Collections.BitArray
Calendar	System.Globalization.Calendar
Currency	System.Globalization.RegionInfo
Date	System.Datetime
Dictionary	System.Collections.DictionaryBase
EventObject	System.EventArgs
GregorianCalendar	System.Globalization.GregorianCalendar
HashMap	System.Collections.HashMap
Hashtable	System.Collections.HashMap
ListResourseBundle	System.Resources.ResourceManger
Locale	System.Globalization.CultureInfo
Random	System.Random
ResourseBundle	System.Resources.ResourceSet
SimpleTimeZone	System.Datetime
Stack	System.Collections.Stack
Timer	System.Threading.Timer
TimerTask	System.Threading.TimerCallback
TimeZone	System.DataTime
TreeSet	System.Collections.SortedList
Vector	System.Collections.ArrayList

java.util.regex

java	.net
Matcher	System.Text.RegularExpressions.Match System.Text.RegularExpressions.MatchCollection System.Text.RegularExpressions.Group System.Text.RegularExpressions.GroupCollection
Pattern	System.Text.RegularExpressions.Regex System.Text.RegularExpressions.RegexCompilationInfo System.Text.RegularExpressions.RegexOption
PatternSyntaxExcetpion	System. ArgumentExcetion

 

java.util.logging/java.util.jar/java.util.zip/java.util.pref 包中的类在.NET中没有与之对应的部分

 

java.io包

java	.net
BufferedInputStream	System.IO.BufferedStream
BufferedOutputStream	System.IO.BufferedStream
BufferedReader	System.IO.StreamReader
BufferedWriter	System.IO.StreamWriter
ByteArrayInputStream	System.IO.MemoryStream
ByteArrayOutputStream	System.IO.MemoryStream
CharArrayReader	System.IO.StreamReader
CharArrayWriter	System.IO.StreamWriter
DataInputStream	System.IO.BinaryReader
DataOutputStream	System.IO.BinaryWriter
File	System.IO.File
FileInputStream	System.IO.FileStream
FileOutputStream	System.IO.FileStream
FileReader	System.IO.StreamReader
FileWriter	System.IO.StreamWriter
InputStream	System.IO.Stream
OutputStream	System.IO.Stream
PrintStream	System.IO.StreamWriter
PrintWriter	System.IO.StreamWriter
PushbackInputStream	System.IO.StreamReader
PushbackOutputStream	System.IO.StreamReader
RamdomAccessFile	System.IO.FileStream
StringBufferInputstream	System.IO.StringReader
StringReader	System.IO.StringReader
StringWriter	System.IO.StringWriter

 

java.sql包

.net 中没有与javax.sql包直接对应的部分，System.Data命名空间提供了连接池和事务处理类。

java的Rowset类在某些方面与.net的DataDet类相似

java	.net
Blob	System.Data.Sqlclient.SqlDataReader System.Data.OleDb.OleDbDataReader
CallableStatement	System.Data.Sqlclient.Sqlcommand System.Data.OleDb.OleDbcommand
Clob	System.Data.Sqlclient.SqlDataReader System.Data.OleDb.OleDbDataReader
Connection	System.Data.Sqlclient.Sql System.Data.OleDb.OleDb
Date	System.Data. SqlTypes . SqlDateTime
ParameterMetaData	System.Data.Sqlclient.SqlParameter System.Data.OleDb.OleDbParameter
PreparedStatement	System.Data.Sqlclient.SqlCommand System.Data.OleDb.OleDbCommand
ResultSet	System.Data.Sqlclient.SqlDataReader System.Data.OleDb.OleDbDataReader
ResultSetMetaData	System.Data.Sqlclient.SqlDataReader System.Data.OleDb.OleDbDataReader
Savepoint	System.Data.Sqlclient. SqlTransaction
SQLPermission	System.Data.Sqlclient.SqlclientPermission System.Data.OleDb.OleDbPermission
Statement	System.Data.Sqlclient.SqlParameter System.Data.OleDb.OleDbCommand
Time	System.Data. SqlTypes . SqlDateTime
Types	System.Data.DbTypes

 

java.text包

java	.net
DataFormat	System.DateTime
DateFomatSymbols	System.Globalization.DateaTimeFormatInfo
NumberFormat	System.Globalization.NumberFormatInfo
SimpleDateFormat	System.Globalization.DateTimeFormatInfo
StringCharacterIterator	System.IEnumerator (System,String)

 

org.w3c.dom包

java	.net
Attr	System.Xml.XmlAttribute
CdatSection	System.Xml.XmlCDataSetion
CharacterData	System.Xml.XmlCharacterData
Comment	System.Xml.XmlComment
Document	System.Xml.XmlDocument
DocumentFragment	System.Xml.XmlDocumentFragment
DocumentType	System.Xml.XmlDocumentType
DOMImplementation	System.Xml.XmlDOMImplementation
Element	System.Xml.XmlElement
Entity	System.Xml.XmlEntity
EntityReference	System.Xml.XmlEntityReference
NameNodeMap	System.Xml.XmlNameNodeMap
Node	System.Xml.XmlNode
NodeList	System.Xml.XmlNodeList
Notation	System.Xml.XmlNotation
ProcessingInstruction	System.Xml.XmlProcessingInstruction
DOMException	System.ArgumentException

 

javax.swing包

.net没有提供与下列包直接等价的类：

javax.swing.plaf/javax.swing.border/javax.swing.table/javax.swing.text( 可用System.Windows.Form.RichTextBox 代替 ) 和 javax.swing.filechooser （ 可用System.Windows.Form.OpenFileDialog 和 System.Windows.Form.SaveFileDialog 代替 ）

javax.swing

java	.net
AbstractButton	System.Windows.Forms. ButtonBase
AbstractListModel	System.Windows.Forms.ListControl
AbstractSpinnerModel	System.Windows.Forms.UpDownBase
ImageIcon	System.Windows.Forms.Image
Jbutton	System.Windows.Forms.Button
JCheckBox	System.Windows.Forms.CheckBox
JColorChooser	System.Windows.Forms.ColorDialog
JComboBox	System.Windows.Forms.ComboBox
JComponent	System.Windows.Forms.UserControl
JDialog	System.Windows.Forms.CommonDialog
JEditorpane	System.Windows.Forms.TextBoxBase
JFileChooser	System.Windows.Forms.OpenFileDialog
JFormattedTextField	System.Windows.Forms.RichTextBox
JFrame	System.Windows.Forms.Form
JLabel	System.Windows.Forms.Label
JList	System.Windows.Forms.ListBox
JMenuBar	System.Windows.Forms.MainMenu
JMenuItem	System.Windows.Forms.MenuItem
JPanel	System.Windows.Forms.Panel
JPasswordField	System.Windows.Forms.TextBox
JPopupMenu	System.Windows.Forms.ContextMenu
JProgressBar	System.Windows.Forms.ProgressBar  StatusBar
JRadioButton	System.Windows.Forms.RadioButton
JScrollBar	System.Windows.Forms.HScrollBar System.Windows.Forms.VScrollBar
JScrollPane	System.Windows.Forms.Panel
JSlider	System.Windows.Forms.TrackBar
JSpinner	System.Windows.Forms.DomainUpDown
JSpitPane	System.Windows.Forms.Splitter
JTable	System.Windows.Forms.ListView
JTextArea	System.Windows.Forms.TextBox
JTextField	System.Windows.Forms.TextBox
JTextPane	System.Windows.Forms.RichTextBox
JTogleButton	System.Windows.Forms. ButtonBase
JToolBar	System.Windows.Forms.ToolBar
JToolTip	System.Windows.Forms.ToolTip
JTree	System.Windows.Forms.ListView
Popup	System.Windows.Forms.ContextMenu
Timer	System.Windows.Forms.Timer

javax.swing.event

java	.net
CaratEvent	System.EventArgs
ListDataEvent	System.EventArgs
ListSelectionEvent	System.EventArgs
MenuEvent	System.EventArgs
PopupMenuEvent	System.EventArgs

 

java.awt包

java.awt

java	.net
AWTEvernt	System.EventArgs
AWTKeyStroke	System.Windows.Forms.KeyPressEventArgs
AWTPermission	System.Security.Permissions.UIPermission
BasicStroke	System.Drawing.Pen
Button	System.Windows.Forms.Button
Canvas	System.Windows.Forms. Control
CheckBox	System.Windows.Forms.RadioButton
Choice	System.Windows.Forms.ComboBox
Color	System.Drawing.Color
Component	System.Windows.Forms. Control
Container	System.Windows.Forms. Control
Cursor	System.Windows.Forms.Cursor
Dialog	System.Windows.Forms.CommonDialog
Dimension	System.Drawing.Size
Event	System.EventArgs
FileDialog	System.Windows.Forms.FileDialog
Font	System.Drawing.Font
Frame	System.Windows.Forms.Form
GradientPaint	System.Drawing.Drawing2D.LinearGradientBrush
Graphics	System.Drawing.Graphics
Graphics2D	System.Drawing.Graphics
Image	System.Drawing.Image
JobAttribute	System.Drawing.Printing. PageSettings
Label	System.Windows.Forms.Label
List	System.Windows.Forms.ListBox
Menu	System.Windows.Forms.MainMenu
MenuItem	System.Windows.Forms.MenuItem
PageAttributes	System.Drawing.Printing. PageSettings
Panel	System.Windows.Forms. Panel
Point	System.Drawing.Point
PopupMenu	System.Windows.Forms.ContextMenu
PrintJob	System.Drawing.Printing.PrintDocument
Rectangle	System.Drawing.Rectangle
Scrollbar	System.Windows.Forms.HScrollbar System.Windows.Forms.VScrollbar
ScrollPane	System.Windows.Forms. Panel
TextArea	System.Windows.Forms. TextBox
TextField	System.Windows.Forms. TextBox
TexturePaint	System.Drawing.TextreBrush

java.awt.event

java	.net
ActionEvent	System.EventArgs
AdjustmentEvent	System.Windows.Forms.ScrollEventArgs
ComponentEvent	System.EventArgs
ContainerEvent	System.Windows.Forms.ControlEventArgs
FocusEvent	System.EventArgs
ItemEvent	System.EventArgs
KeyEvent	System.Windows.Forms.KeyPressEventArgs
MouseEvent	System.Windows.Forms.MouseEventArgs
PaintEvent	System.Windows.Forms.PaintEventArgs
TextEvent	System.EventArgs
WindowEvent	System.EventArgs

java.awt.print

java	.net
PageFormat	System.Drawing.Printing.PageSettings
Paper	System.Drawing.Printing.PageSize
PrinterJob	System.Drawing.Printing.PrintDocument

 

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