What if constructor is protected in java?
Difference between static methods, static variables, and static classes in Java.
Define an enumeration?
What is a Java package and how is it used?
Explain about strings in java?
Which object oriented concept is achieved by using overloading and overriding?
How do you decide when to use arraylist and linkedlist?
Give the difference between the println method and sqrt method?
What are the benefits of operations in java?
Explain about the performance aspects of core java?
What is the difference between Synchronizing mehtod & Synchronizing block?
What are the advantages of arraylist over arrays?
how can i kill thread without stop() and destroy()