What is string immutability?
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What is class array in java?
What is %02d?
when i write string s1="java"; in one program(application) and string s2="java"; in another application on the same jvm will both objects s2,s2 will refer to same memory location where "java" is stored in string pool.
How do u pass data from one jsp to another jsp?
Explain about anonymous inner classes ?
Why to use nested classes in java?
Can we clone singleton object?
explain the concept of virtual method invocation in polymorphism in detail?
what is jms? features of jms
What is a singleton class in Java?
How can an object be unreferenced?
Is set sorted in java?