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these days theyre pretty much obsolete theyre definitely system-particular they had to do with 16-bit programming under ms-dos and perhaps some early
which is more efficient a switch statement or an if else chainans the differences if any are likely to be small the switch statement was designed to
no c dont have circular shift operator part of the reason why that is the sizes of cs types arent precisely described----but a circular shift makes
its not trivial to execute nested functions such that they have the proper access to local variables in the having functions so they were
the c programming language is a standardized programming language forrned in the early 1970s by ken thompson and dennis ritchie for use on the unix
a scrollbar is a component but not a container while scrollpane is a container and handles its own events and do its own scrolling
they are light weight components that do no painting but can take space in the gui this is mainly used for layout management
realized mean that the component has been painted on screen or that is prepared to be painted realization can take place by invoking any of these
swt standard widget toolkit is a totally independent graphical user interface gui toolkit from ibm they formed it for the creation of eclipse
converter is an application that converts distance measurements among metric and us units
the enableevents method is used to enable an event for a certain object normally an event is enabled when a listener is added to an object for a
the frame class extends window to describe a main application window that can have a menu bar a window can be
java uses layout managers to lay out components in a consistent manner across all windowing platforms as javas layout managers arent tied to absolute
this method is used to make sure that swing components are updated by the event-dispatching thread
when a window is repainted by the awt painting thread it sets the clipping regions to the area of the window that needs repainting
a canvas object gives access to a graphics object by its paint method
canvas is a component scrollpanel is a container canvas is a rectangular area where the application can draw or trap input events scrollpane executes
the default look and feel of swing components are java look-and-feel
all awt event listeners expand the javautileventlistener interface
a component can handle its own events by executing the needed event-listener interface and adding itself as its own event listener
the fontmetrics class is used to describe implementation-specific properties like ascent and descent of a font object
there are two different parts of applets trusted applets and untrusted applets trusted applets are applets with predefined security and untrusted
a choice is displayed in a compact form that needs you to pull it down to see the list of available choices and only one item may be selected from a
a source is an object that produces an event this happens when the internal state of that object changes in some way a listener is an object that is
a applet is a java program that runs within a web browser