java.lang
| java |
.net |
| Boolean |
System.Boolean |
| System. Byte |
|
| 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 包中的類在.NET中沒有與之對應的部分
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 中沒有與javax.sql包直接對應的部分，System.Data命名空間提供了連接池和事務處理類。
java的Rowset類在某些方面與.net的DataDet類相似
| 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沒有提供與下列包直接等價的類：
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 |
| 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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