What is sizeof in java?
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What are wrapper classes in java?
What is a concrete classes? Is Java object class is concrete class?
What are latest features introduced with java 8?
Explain about the security aspect of java?
A non-static inner class may have object instances that are associated with instances of the class’s outer class. A static inner class does not have any object instances.
Does java map allow duplicates?
What are the two major components of JDBC?
What is Map interface?
Give differences between Quicksort & Mergesort. When should these sorts be used and what is their running time?
What is the differences between c++ and java? Explain
whats is inheritance?
15 Answers CTS, HCL,
what is jndi?