What's the base class of all exception classes?
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What is the return type of read()?
If a class is declared without any access modifiers, where can the class be accessed?
What is array pointers ?
Why is String immutable?
Can we modify the throws clause of the superclass method while overriding it in the subclass?
Accenture NJ mostly ask question on Collection like 1)How to sort Objcts and how treeset sort them 2)Explain mechanism of Hashcode finding in Java 3)Name some of the Sorted collection.
where singleton classes are used in j2ee web application.can we use it for connection pooling.
What is the difference between throw and throws? What is the similarity between try and throw?
Why does abstract class have constructor?
What is methodological framework?
Is null function in java?
Default layout of panel and frame?