What are wrapper classes in java?
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What is meant by throwing an Exception?
Explain how to convert any java object into byte array.
Can we serialize singleton class?
In a my eclipse editor if i want to switch from jdk 1.4 to jdk 1.6 how to do that???? Initially i have jdk1.4
What are the differences between this and super keyword?
What is method reference?
How to make a method thread safe without using synchronized keyword?
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What is the difference between assignment and initialization?
Is zero a natural number?
what is jndi?
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.
how to create daemon thread in java?