Answer Posted / ravikiran

because we cann't extend more than one class in java

How do you clear an arraylist in java?

977

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Can you override private or static method in java?

970

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Can a class be declared as protected?

1004

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What is garbage collector?

1061

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What do you mean by light weight and heavy weight components?

1012

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What are the approaches that you will follow for making a program very efficient?

1068

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What is a function argument in java?

986

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Can variables be used in java without initialization?

1071

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Is passing by reference faster?

982

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Explain about the interpreter in java?

1047

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Can you inherit from an abstract class java?

986

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Q1.A. Write note on “The class path Environment Variable”? B. Which are different kinds of source code? Q2.A. How to create an interface? B. Why convert an applet to an application? Q3.A. How to use Media tracker Class. B. How to use string tokenizer class. Q4 A. Explain the overview of UDP messaging. B. Difference between SQL Exception class and SQL Warning class. Q5. A. How to create com object in Java? B. Write short notes on “The properties class” Q6. A. When object is created and destroyed? B. Explain the JDB in depth & command line. C. Write short notes on Web Sites.

8493

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Is string a class?

1020

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Name component subclasses that support painting in java programming?

1057

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How is hashset defined in java?

1031

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