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Which java.util classes and interfaces support event handling
The EventObject class and the EventListener interface support event processing.
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_________ is used to destroy the objects created by the constructor methods.
Skill/Topic: AWT & AppletsA) finalize()
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Inheritance in java
Is super class object gets initiated while creating the subclass object? what happen in heap and stack when call super class method from subclass and call super class constructor by using super keyword from subclass?
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Volatile Modifier
What is volatile modifier in Java? How it is useful?
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Anonymous Class
What is anonymous class? What is its use in Java?
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What is the role of extends in java?
Explain with an example how do you use extends in java
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What is the difference between a static and a non-static inner class
A non-static inner class may have object instances that are associated with instances ofthe class's outer class. A static inner class does not have any object instances.
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What is the difference between a while statement and a do statement
A while statement checks at the beginning of a loop to see whether the next loop iterationshould occur. A do statement checks at the end of a loop to see whether the next iterationof a loop should occur. The do statement will always execute the body of a loop at leastonce.
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Problem with tool-tip text in applet when it run in a browser
Tool-tip text not visible when run applet in a browser in windows but it work on mac so plz provide any solution for this.
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What is the difference between Abstract class and Interface
Answered by Scott on 2005-05-12 10:03:06: An abstract class can contain non-abstract methods which do not have to be overridden in the subclass. There is no difference between a fully abstract class (all methods declared as abstract and all fields are public static final) and an interface.
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Java Interview Questions
Ans