How do you override a method in java?
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Which java collection does not allow null?
How does system arraycopy work in java?
How does a for loop work java?
Explain about join() method?
how to make hashmap object as synchronized object?
How is java created?
State the difference between strings and arrays.
why java does not have operator overloading?
What is java virtual machine and how it is considered in context of java’s platform independent feature?
what is singlton class?where it is use in real time senario.
Give reasons supporting that string is immutable.
What are the procedures?