What is Connection pooling? Explain Pros and Cons?

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How to declare an arraylist in java?

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How will you calculate the depth of a binary tree if the tree contains 15 nodes?

0 Answers   Aricent,

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Draw a UML class diagram for the code fragment given below: public class StringApplet extends Applet { private Label sampleString; private Button showTheString; private ButtonHandler bHandler; private FlowLayout layout; public StringApplet() { sampleString = new Label(" "); showTheString = new Button (" Show the String"); bHandler = new ButtonHandler(); layout = new FlowLayout(); showTheString.addActionListener(bHandler); setLayout(layout); add(sampleString); add(showTheString); } class ButtonHandler implements ActionListener { public void actionPerformed(ActionEvent e) { samplestring.setText("Good Morning"); } } } Note: The methods need not be indicated on the diagram.

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Explain listiterator and methods in listiterator?

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Why is a constant variable important?

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How can we make a class virtual?

0 Answers   Fidelity,

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What are interfaces?

3 Answers  

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What is data structure in java?

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We are seeing so many videos/audios as many web sited. But question is these videos or audios are stored in Databases ( Oracle, Mysql, Sybase,... ) or stored any file directory from there they will give the link for that? Pls explain and give sample code to achieve this one? Thanks, Seenu.

0 Answers   Symphony,

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why to use transient variables when static variables can be used for Serialization

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Why bytecode is called bytecode?

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