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What do you mean by content pane, root pane and scroll pane? What are its use?
LaksRao
- Sep 20th, 2009
Content Pane holds the container's visible components excluding Menu Bar.Every Top level container has a root pane which includes glass pane ( to intercept user events like mouse clicks), layered ...
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Heavyweight componants are not handled properly when they are placed inside the JScrollpane’s viewport because(Select Multiple)
A) JScrollPane is a lightweight component.B) Viewport of JScrollPane which clips its scrollable child, is lightweightC) None of the aboveD) Either of the above.
Pins
- Dec 14th, 2006
Both the JScrollPane class and its viewport -- which clips its scrollable child -- are lightweight components. So answer is both A&B
gogimca81
- Dec 15th, 2005
B) Viewport of JScrollPane which clips its scrollable child, is lightweight
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What are the restrictions imposed by the security manager on applets. (Select Multiple)
A) Cannot start any program on the host that is executing it.B) Cannot read some system properties.C) Cannot load libraries or define native methods.D) Cannot read or write files on the host that is executing it.
srikanth.kondapaneni
- Dec 20th, 2005
The answer is all the above coz applets loaded over the net are prevented from reading and writing files on the client file system and from making network connections except to the originating host.In...
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State true or false :- A component subclass that has executed enableEvents( ) to enable processing of a certain kind of event cannot also use an adapter as a listener for the same kind of event.
A) TrueB) False
vaishnavi yeldi
- Jan 28th, 2023
False
mkayalvizhi
- Sep 9th, 2006
The answer is false, Processing of a certain kind of event can use an adapter as a listener for the same kind of event.
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Which of the following are methods of the Graphics class? (Select Multiple)
A) drawRect( )B) drawImage( )C) drawPoint( )D) drawString( )
sivashankar
- Feb 12th, 2006
A,D
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How do you indicate where a component will be positioned using Flowlayout?
A) North, South, East, WestB) Assign a row/column grid referenceC) Pass a X/Y percentage parameter to the add methodD) Do nothing, the FlowLayout will position the component
snehal
- Jan 16th, 2017
D) Do nothing, the FlowLayout will position the component
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Which of the following (is)are true?
A) A Dialog can have a MenuBar.B) MenuItem extends Menu.C) A MenuItem can be added to a Menu.D) A Menu can be added to a Menu.
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Which of the following methods are defined on the Graphics class:
A) drawLine(int, int, int, int)B) drawImage(Image, int, int, ImageObserver)C) drawString(String, int, int)D) add(Component);E) setVisible(boolean);F) setLayout(Object);
pallavr
- Jun 30th, 2006
The correct answer is a,b,c :a) drawLine(int x1, int y1, int x2, int y2) b) drawImage(Image img, int x, int y, ImageObserver observer) c) drawString(String str, int x, int y)
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Which Component method is used to access a component's immediate Container?
A) getVisible()B) getImmediateC) getParent()D) getContainer()
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Which of the following are direct or indirect subclasses of Component?
A) ButtonB) LabelC) CheckboxMenuItemD) ToolbarE) Frame
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How add scroll pane to frame? explain with example?
sivasundararajan
- Nov 20th, 2006
It is "ScrollPaneConstants" and not "ScrollPaneConstant"
priyanka11
- Apr 12th, 2006
JPanel p=new JPanel();int v=ScrollPaneConstant.VERTICAL_SCROLLBAR_ALWAYS;int h=ScrollPaneConstant.HORIZONTAL_SCROLLBAR_ALWAYS;JScrollPane jsp=new JScrollPane(p,v,h);p.add(jsp);
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How to create the Tabbed pane in swings?
mugesh
- Dec 19th, 2009
JTabbedPane jtp=new JTabbedPane();//u can add tabs to d panejtp.addTab("xxx");
kailuprakash
- Oct 27th, 2006
jTabbedPane = new javax.swing.JTabbedPane();And u can add properties like preferred size,layot and name ..jTabbedPane.setTabLayoutPolicy(javax.swing.JTabbedPane.SCROLL_TAB_LAYOUT);jTabbedPane.setName("Tabbed Panne");jTabbedPane.setPreferredSize(new java.awt.Dimension(600, 500));
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Fill in the blank :- the default look and feel of a swing component is _____________
A) Java Look and Feel
bhupendrab
- Feb 25th, 2007
The package that contains Java Look and Feel is named javax.swing.plaf.metal, it is commonly referred to as Metal. Metal has been Sun's visual appearance of choice for Java programs. With J2S...
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What are the borders provided by swings (Select Multiple)
A) SimpleB) MatteC) TitledD) AggregateExplanation: the fourth one is Compound
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Which method is used to set the text of a Label object?
A) setText( )B) setLabel( )C) setTextLabel( )D) setLabelText( )
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In jTable How to set background color for particular rows based on some conditions?
JavaFan1212
- Apr 18th, 2010
Create a cell renderer class that implements TableCellRenderer. Create a subclass of JTable and override the method getCellRenderer and in this method set the background color based on a particular row.
harshagvs
- Jan 6th, 2008
Create a cellRenderer and set the required color based on the condition, then install this Renderer on all the cells
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The command ‘codebase’ is used in applets when
A) When the applet class file is not in the same directoryB) When the applet class file is in the same directoryC) When we need to get the parameters of the appletD) None of the above
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What is the difference between scrollbar and scrollpane(Select Multiple)
A) Scrollbar is a component while scrollpane is a containerB) Scrollbar handles its own events while scrollpane does notC) Scrollpane handles its own events and performs its own scrolling.D) All of the above.
Akhileswar Sathivada
- Feb 11th, 2023
Option d
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Which of the following are passed as an argument to the paint( ) method?
A) A Canvas objectB) A Graphics objectC) An Image objectD) A paint object
Ahmad javed
- May 3rd, 2016
D) A paint object
MANISHA PATHAK
- Oct 30th, 2006
Answer : > B) A Graphic Objecte.g public void paint(Graphics g) { g.drawString(20,20,"Hello"); }
Java Swing Interview Qustions
Ans