When you say String is immutable, what do you mean by that? Say I have String s = "Ness" s= s+"Technologies"; What will happen? If the value gets appended, then what is the meaning of immutable here?

5 Answers   Ness Technologies,

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Why inputstreamreader is used in java?

0 Answers  

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what is difference between colection and collections?

25 Answers   Amdocs, IBM, Infosys, Ipog Software, Polaris, Tech Mahindra,

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write the hierarchy of component class?

1 Answers  

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What is a nested structure?

0 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.

0 Answers  

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What is use of super keyword in java?

0 Answers  

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What is deserialization and how do we do deserialization?

3 Answers   Synechron,

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Describe how to implement singleton design pattern in struts.

0 Answers  

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Java violates few objected oriented concepts. Can you explain in what way?

3 Answers   Ness Technologies,

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what is the difference b/w design pattern and architecture

4 Answers   Covansys,

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What is the difference between overriding and overloading in OOPS.

0 Answers   Axtria, ITC Indian Tobacco Company,

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