Which collections are thread safe in java?
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What are the types of collections in java?
Is there any case when finally will not be executed?
What is comparator in java?
What happens when you assigned a 'double' value to a 'String'?
Which of the classes will have more memory allocated?
If two threads call a static method at the same point of time, what will happen?
What is hard code & soft code?
What is JDBC Driver interface?How can you retrieve data from the ResultSet
JVM is platform independent or depeneded?
how to create constants in java?
What are default methods ?
How concurrent hashmap works?