Answer Posted / ravikiran(aptech mumbai)

JVM is the java virtual machine which will convert the byte
code into user understandable code

Differences between C and Java?

1287

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Explain when classnotfoundexception will be raised ?

1087

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What is sorting in java?

1034

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How can you say java is object oriented?

1136

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Difference between overriding and overloading in java?

1113

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What is the default execution method in java?

1268

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2) Suppose there are 5 directories having lot of files (say txt files) in each directory. 2 things :- 2.1) You want to search for filenames which have a particular pattern. 2.2) Out of these filtered files you want to search for a particular keyword or a search string. How can you achieve this?

2327

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why are there separate wait and sleep methods? : Java thread

1081

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What is the purpose of a default constructor?

1159

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What is thread start?

1017

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What is the difference between stored procedure & function?

1019

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How to provide security in java

2326

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How do you declare an empty string?

1111

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What if the main() method is declared as private? What happens when the static modifier is removed from the signature of the main() method?

1237

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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.

2099

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