Printing Literals Most characters can be printed Certain "problem" characters, such as the quotation mark (") Must be represented by escape sequences Represented by a backslash \ followed by an escape character
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Common Programming Error 28.3 A runtime error occurs if an attempt is made to deserialize an object of a class that does not have a default or no-argument constructor.
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Geocoding Service Object geoCode method receives an address as an argument Returns an array of GeoPoint objects representing locations that match the address parameter GeoPoints provide a location’s latitude and longitude
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A benefit of using SessionBean properties (rather than cookies) is that they can store any type of object (not just Strings) as attribute values. This provides you with increased flexibility in maintaining client state information.
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Methods of interface Connection setAutoCommit specifies whether each SQL statement commits after it completes (a true argument) or if several SQL statements should be grouped as a transaction (a false argument) If the argument to setAutoCommit is false, the program must follow the last SQL statement in the transaction with a call to Connection me...
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By default, applets cannot perform file processing Applets often limited in machine access Applets can communicate only with the machine from which it was originally downloaded Java Security API Digitally signed applets Applets given more privileges if from trusted source
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Callable interface package java.util.concurrent declares a single method named call similar to Runnable, but method call allows the thread to return a value or to throw a checked exception ExecutorService method submit executes a Callable Returns an object of type Future (of package java.util.concurrent) that represents the executing Callable...
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GridBagConstraints constants RELATIVE Specifies that the next-to-last component in a particular row should be placed to the right of the previous component in the row REMAINDER Specifies that a component is the last component in a row Components that are not the second-to-last or last component on a row must specify values for gridwidth and gr...
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Interface Player used to play video Class Manager declares utility methods for accessing system resources to play and manipulate media Manager method createRealizedPlayer obtains a Player for a specified media clip Loading and playing video Player method getVisualComponent gets component that displays visual aspect of media file Player method ...
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Abstract implementations Offer “bare bones” implementation of collection interfaces Programmers can “flesh out” customizable implementations AbstractCollection AbstractList AbstractMap AbstractSequentialList AbstractSet AbstractQueue
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