What is io stream in java?
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What is the main use of generics in java?
Why wait(),notify(),notifyAll() methods defined in Object class althought we are using in only threads.
Explain polymorphism citing an example.
Explain super keyword in java.
Can you inherit from an abstract class java?
can we overload main method?
What is a singleton puppy?
What are heap memory and stack memory and what are memory tables.
What is void data type?
What are the four integer types supported by java?
what are the high-level thread states? : Java thread
What is the Layout for ToolBar?