Is alive method in java?
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What are basic data types?
What are singleton services?
what really hapens when a object is created using new operator? 1.is it allocates memory to all variables and methods in the class with reference to that object?
Explain the usage of this with constructors?
How many functional interfaces does java 8 have?
Explain different states of a thread in java?
Write POJO class as a key to hashmap???
what is the difference between AWT and SWING what is the advantage of using swing?
What are the features in java?
What is the implementation of destroy method in java. Is it native or java code?
What is the exact difference in between Unicast and Multicast object?
What is the basic concepts of OOPS?