Can variables be used in java without initialization?
Why there are some null interface in java? What does it mean?
Differences between external iteration and internal iteration?
What is a null point?
List some java keywords sun like c, c + + keywords?
What is a nested class?
What is finally in Java?
What is the symbol for average?
what is thread? What are the high-level thread states? Or what are the states associated in the thread? : Java thread
is memory to the abstract class allocated ..or objects not instantiated
Is object a data type?
What are the two types of java programming?
what is the difference between equals method and ==
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