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Why is singleton not thread safe?
What is the importance of main method in Java?
What are sets in java?
Why should we create an object? what is a need of it? Apart from access members of a class i want what is a need of object what does it contain?? In normal class to access any member of thaht class we create object where as for static class we access its members using class name. what is a difference between them... thanks in advance.
What is Classloader in Java?
In how many ways we can do exception handling in java?
What is type conversion in java?
What is a boolean structure?
why should we get the following error ? Exception in main method NoClassDefFoundError:classname could anyone give the detail clarification on how java compiler can look for .class file?
what is jndi?
how to execute main()
What is the default value of local and global variables?