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This essay developed out of conversations I've had with several other programmers about why Java smelled suspicious. It's not a critique of Java!
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" Java provides the industry - software companies and customer alike , an opportunity to create a true open computing environment where software is portable,
and customers benefit from increase competition. "
Java and the Future
December 1, 2008-LEJB 3.1: EJB New and Improved!
The EJB 3.0 specification was a huge improvement from what you were used to in the early versions of EJB. Available as an early draft, EJB 3.1 has many more features and is even easier to use.
December 1, 2008-Should Java Assert that Network I/O Can't Occur on the UI Thread?
Doing network I/O on the user interface (UI) thread is bad. Most developers know that and can tell you why; unfortunately, it's still done.
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AWT Interview Question
Which containers use a BorderLayout as their default layout? Which containers use a FlowLayout as their default layout?
The Window, Frame and Dialog classes use a BorderLayout as their default layout. The Panel and the Applet classes use the FlowLayout as their default layout.
What is the difference between a MenuItem and a CheckboxMenuItem?
The CheckboxMenuItem class extends the MenuItem class to support a menu item that may be checked or unchecked.
What is window?
The Window class creates a top-level window. A top-level window is not contained within any other object; it sits directly on the desktop. Generally, you won't create Window objects directly. Instead, you will use a subclass of Window called Frame.
What is Frame?
It is a subclass of Window and has a title bar, menu bar, borders, and resizing corners.
How you will Hide and Show a Window?
After a frame window has been created, it will not be visible until you call
setVisible( ). Its signature is shown here:
void setVisible(boolean visibleFlag)
The component is visible if the argument to this method is true. Otherwise, it is hidden.
What is Layout Managers?
A layout manager automatically arranges your controls within a window by using some type of algorithm. If you do not set any layout manager then default layout manager will be used.
What are the different Layout MAnagers Classes?
FlowLayout - is the default layout manager.Components are laid out from the upper-left corner, left
to right and top to bottom.
BorderLayout - implements a common layout style for top-level windows. It has four narrow, fixed-width components at the edges and one large area in the center. The four sides are referred to as north, south, east, and west. The middle area is called the center.
GridLayout - GridLayout lays out components in a two-dimensional grid. When you instantiate a GridLayout, you define the number of rows and columns.
CardLayout - Each layout can be thought of as being on a separate index card in a deck that can be shuffled so that any card is on top at a given time.