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• String[ ] getSelectedItems( )
• int[ ] getSelectedIndexes( )
• int getItemCount( )
• void select(int index)
• String getItem(int index)](https://image.slidesharecdn.com/awt-controls-240712092420-9c962ab9/75/JAVA-AWT-controls-Introduction-pptx-15-2048.jpg)
Uploaded byMani Deep Karumanchi
JAVA - AWT - controls Introduction .pptx
The document provides a comprehensive overview of various graphical user interface (GUI) components in a programming context, detailing constructors and methods for each component type including labels, buttons, text fields, text areas, checkboxes, lists, menus, dialogs, and scrollbars. Each component's functionality is summarized, specifying methods for setting text, retrieving information, managing states, and interacting with the user. The content serves as a reference for developers working with these GUI elements, emphasizing error handling through exceptions.
JAVA - AWT - controls Introduction .pptx
- 1.
- 2. Label • Label( )throws HeadlessException • Label(String str) throws HeadlessException • Label(String str, int how) throws HeadlessException • void setText(String str) • String getText() • void setAlignment(int how) • int getAlignment( )
- 3. Button • Button( )throws HeadlessException • Button(String str) throws HeadlessException • void setLabel(String str) • String getLabel( )
- 4. TextField • TextField( )throws HeadlessException • TextField(int numChars) throws HeadlessException • TextField(String str) throws HeadlessException • TextField(String str, int numChars) throws HeadlessException
- 5. TextField • String getText() • void setText(String str) • String getSelectedText( ) • void select(int startIndex, int endIndex) • boolean isEditable( ) • void setEditable(boolean canEdit)
- 6. TextField • void setEchoChar(charch) • boolean echoCharIsSet( ) • char getEchoChar( )
- 7. TextArea • TextArea( )throws HeadlessException • TextArea(int numLines, int numChars) throws HeadlessException • TextArea(String str) throws HeadlessException • TextArea(String str, int numLines, int numChars) throws HeadlessException • TextArea(String str, int numLines, int numChars, int sBars) throws HeadlessException
- 8. TextArea • SCROLLBARS_BOTH • SCROLLBARS_NONE •SCROLLBARS_HORIZONTAL_ONLY • SCROLLBARS_VERTICAL_ONLY
- 9. TextArea • void append(Stringstr) • void insert(String str, int index) • void replaceRange(String str, int startIndex, int endIndex)
- 10. Checkbox • Checkbox( )throws HeadlessException • Checkbox(String str) throws HeadlessException • Checkbox(String str, boolean on) throws HeadlessException • Checkbox(String str, boolean on, CheckboxGroup cbGroup) throws HeadlessException • Checkbox(String str, CheckboxGroup cbGroup, boolean on) throws HeadlessException
- 11. Checkbox • boolean getState() • void setState(boolean on) • String getLabel( ) • void setLabel(String str)
- 12. CheckboxGroup • ChechboxGroup() • CheckboxgetSelectedCheckbox( ) • void setSelectedCheckbox(Checkbox which)
- 13. Choice • Choice() • voidadd(String name) • String getSelectedItem( ) • int getSelectedIndex( ) • int getItemCount( ) • void select(int index) • void select(String name) • String getItem(int index)
- 14. List • List( )throws HeadlessException • List(int numRows) throws HeadlessException • List(int numRows, boolean multipleSelect) throws HeadlessException • void add(String name) • void add(String name, int index) • String getSelectedItem( ) • int getSelectedIndex( )
- 15. List • String[ ]getSelectedItems( ) • int[ ] getSelectedIndexes( ) • int getItemCount( ) • void select(int index) • String getItem(int index)
- 16. Menu • Menu( )throws HeadlessException • Menu(String optionName) throws HeadlessException • Menu(String optionName, boolean removable) throws HeadlessException • MenuItem( ) throws HeadlessException • MenuItem(String itemName) throws HeadlessException • MenuItem(String itemName, MenuShortcut keyAccel) throws HeadlessException
- 17. Menu • void setEnabled(booleanenabledFlag) • boolean isEnabled( ) • void setLabel(String newName) • String getLabel( ) • CheckboxMenuItem( ) throws HeadlessException • CheckboxMenuItem(String itemName) throws HeadlessException • CheckboxMenuItem(String itemName, boolean on) throws HeadlessException
- 18. Menu • boolean getState() • void setState(boolean checked) • MenuItem add(MenuItem item) • Menu add(Menu menu)
- 19. Dialog • Dialog(Frame parentWindow,boolean mode) • Dialog(Frame parentWindow, String title, boolean mode)
- 20. FileDialog • FileDialog(Frame parent) •FileDialog(Frame parent, String boxName) • FileDialog(Frame parent, String boxName, int how)
- 21. Scollbar • Scrollbar( )throws HeadlessException • Scrollbar(int style) throws HeadlessException • Scrollbar(int style, int initialValue, int thumbSize, int min, int max) throws HeadlessException • void setValues(int initialValue, int thumbSize, int min, int max) • int getValue( ) • void setValue(int newValue)
- 22. Scollbar • int getMinimum() • int getMaximum( ) • void setUnitIncrement(int newIncr) • void setBlockIncrement(int newIncr)