what is meant wrapper classes?
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Is java developer a good career?
Name few "optional" classes introduced with java 8 ?
What is a cup of java?
What access modifiers can be used for class ?
Is set ordered in java?
How can you make sure that your singleton class will always return single instance in multi-threaded environment?
What is constructor chaining and how is it achieved in java?
How to validate the request (Eg:user name and password) in session(http session)? not in LDAP server ?
Write a program in java to calculate the difference between the sum of the odd level and even level nodes of a binary tree.
What is an immutable object?
How does list work in java?
What is arrays sort in java?