When do we use hashset over treeset?
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Can a class declared as private be accessed outside it’s package?
what are the uses of Class class and what it returns? explain it with the example code.
Why do we need hashset in java?
What do you understand by synchronization?
What does || mean in vectors?
What is basic syntax?
IS method overriding is Duplication of Methods?
Write a program to find the whether a number is an Armstrong number or not?
Can you declare a static variable in a method?
What are new features introduced with java 8 ?
What's the base class in java from which all classes are derived?
Write a program to check for a prime number in java?