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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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Duplicate elimination Because duplicate values follow the same “go left” or “go right” decisions, the insertion operation eventually compares the duplicate with a same-valued node The duplicate can then be ignored Tightly packed (or balanced) trees Each level contains about twice as many elements as the previous level Finding a match or determ...

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Four steps to developing a loop from a loop invariant Set initial values for any loop control variables Determine the condition that causes the loop to terminate Modify the control variable so the loop progresses toward termination Check that the invariant remains true at the end of each iteration

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Recursive Backtracking – process of using recursion to return to earlier decision point If one set of recursive calls does not result in solution, program backs up to previous decision point and makes different decision, often resulting in another set of recursive calls Examples Maze problem Eight-Queens problem

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JFileChooser – class used to display a dialog that enables users to easily select files Method setFileSelectionMode specifies what user can select from JFileChooser FILES_AND_DIRECTORIES constant indicates files and directories FILES_ONLY constant indicates files only DIRECTORIES_ONLY constant indicates directories only Method showOpenDialog d...

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