This document discusses various Java Swing components including JComboBox, JList, and JPanel. It provides details on constructing and configuring these components, such as adding items to JComboBox, setting the selection mode of JList, and adding borders to JPanel. The document is presented as a lecture on object oriented programming in Java.

1. CS3135/CS2135
Object Oriented Programming (Java)
BSCS-3 / MCS-3
Lecture # 9
JComboBox
Jlist
JPanel

2. javax.swing.JComboBox
• JComboBox()
• JComboBox(Object[])
• void addItem(Object)
• void insertItemAt(Object, int)
• Object getItemAt(int)
• int getMaximumRowCount()
• Object getSelectedItem()
• int getSelectedIndex()
• void removeAllItems()
• void removeItemAt(int)
• void removeItem(Object)
• void setEditable(boolean)
• void setMaximumRowCount(int)
• boolean isEditable()
GUI Components  JFrame  JComboBox
Instructor: Tanzila Kehkashan
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3. javax.swing.JList
• JList()
• JList(Object[])
• void addSelectionInterval(int, int)
• void clearSelection()
• int getSelectedIndex()
• int[] getSelectedIndices()
• Object getSelectedValue()
• Object[] getSelectValuesList()
• int getVisibleRowCount()
• boolean isSelectedIndex(int) //index
• boolean isSelectionEmpty()
• void setSelectedIndex(int) //index
• void setSelectedIndices(int[])
• void setToolTipText(String)
• void setVisibleRowCount(int)
GUI Components  JFrame  JList
Instructor: Tanzila Kehkashan
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4. • Single Selection Lists
• ListSelectionModel.SINGLE_SELECTION
• Multiple Selection Lists
• ListSelectionModel.SINGLE_INTERVAL_SELECTION
• ListSelectionModel.MULTIPLE_INTERVAL_SELECTION
• int getSelectionMode()
• void setSelectionMode(int) // selectionMode
• void setModel(DefaultListModel) // for adding elements in spite of constructor
javax.swing.DefaultListModel
• DefaultListModel()
• void addElement(String)
GUI Components  JFrame  JList
Instructor: Tanzila Kehkashan
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5. Instructor: Tanzila Kehkashan
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6. javax.swing.JPanel
• JPanel()
• JPanel(LayoutManager)
• void paint(Graphics)
• void paintComponent(Graphics)
• void setLayout(LayoutManager)
• int getWidth()
• int getHeight()
• void add(Component)
• setBorder(Border) //BorderFactory
GUI Components  JFrame  JPanel
javax.swing.BorderFactory
• createEtchedBorder()
• createEtchedBorder(Color, Color) //highlight, shadow
• createLineBorder(Color)
• createLineBorder(Color, int) //int thickness
• createLineBorder(Color, int, boolean) //color, thickness,
rounded
• createLoweredBevelBorder()
• createRaisedBevelBorder()
• createTitledBorder(Border, String) //BorderFactory, Title
Instructor: Tanzila Kehkashan
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7. Instructor: Tanzila Kehkashan
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8. Instructor: Tanzila Kehkashan
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