Describe method overriding

0 Answers  

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Is it necessary for the port addresses to be unique? Explain with reason.

0 Answers   Aricent,

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Is it possible to write static method in abstract class? justyfy your answer?

5 Answers   Hexaware,

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What is the difference between a synchronized method and a synchronized block?

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Do you know thread pools?

0 Answers   BMC,

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What is a treeset in java?

0 Answers  

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how to compile jsp?

4 Answers   Logica CMG,

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What is the exact difference in between Unicast and Multicast object ?

4 Answers   Accenture,

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What is difference between array and vector?

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explain the classification of exception and hoew to handle the exceptions

2 Answers  

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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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Is break statement can be used as labels in java?

0 Answers  

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