Java Swing FAQs

Process from the last added to first

C) There is no way to determine which listener will be invoked first.

B) layout(aLayoutManager)

A
setLayout();

B) repaint()

repaint( )

applet is subclass of panel class. but frame is subclass of window class .applet has no menu bar .frame has menu bar.applet has no border.but frame has border.applet has no title bar but frame has.app...

The difference is based on whether you want a Console based application or a Browser based application. For console applications use Frame and for browser applications use Applet.The other different i...

a.showWindow
b. setVisible

A) show()

B) setVisible()

ex Frame fr=new Frame("MyFrame");

fr.show();

or

fr.setVisible(true);

String is a special class and it has handled specially in JAVA.There are several benefits of String being immutable and there are certain things which are possible only because String is immutable.1) ...

String are made immutable because 1. better memory management.Generally thousands of string literals objects are created in any of the application.To avoid the individual memory allocation to all the ...

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.

Create a cellRenderer and set the required color based on the condition, then install this Renderer on all the cells

JTabbedPane jtp=new JTabbedPane();//u can add tabs to d panejtp.addTab("xxx");

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));

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 ...

The correct answer is: D

Grid Layout divide the container in a tabular fashion.

Answer   D)GridLayout is used to organize the components of a container in a tabular form

all AWT components are heavyweight and all Swing  components are lightweight (except for the top-level ones: JWindow, JFrame,  JDialog, and JApplet),

JApplet

A heavyweight component is one that is associated with its own  native screen resource (commonly known as a peer). A lightweight component(swing) is one that "borrows" the screen resou...

Let try to understand what is heavywheight component. If We see AWT Components (Earlier Java versions), while painting the components a very thick 3D frame is drawn. Hence the name of Heavy weight.And...

Frame
Panel
Applet
Menubar
Menu

Frame

All of the above
I looked it up in Javadocs hence it is right

Because JFrame , JTable , and JWindows are does not have Java peer. Even though they are in Swing Package they are still uses the Native Peer . An another Resons is They are directly InHerited by Heavy wight Components like Window, Applet, Frame...

c

A

Canvas
image

A) Only Canvass class has the paint method.

Any class which will extend the componet class will have the paint method inherited into it.

The following options are correct:A) TrueExplanation: MouseListener Interface defines the methods for mouse clicks, mouse pressed etc. Hence this is true.B) TrueExplanation: The MouseMotionListener de...