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When a thread is created and started, what is its initial state
A thread is in the ready state after it has been created and started.
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Size of an Object
How to find size of an object?
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Constructor Call
How can we call a constructor through another constructor in the same class?
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Core Java
What is difference between Core Java and Advance Java?
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Mention 5 basic difference between Array List and Vector in Java Colletion FrameWork.
Vector is unsynchronized wheras ArrayList is synchronized.
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JDBC Form Data
Can we represent data in the form of objects in JDBC? Explain
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How are Observer and Observable used
Objects that subclass the Observable class maintain a list of observers. When anObservable object is updated it invokes the update() method of each of its observers tonotify the observers that it has changed state. The Observer interface is implemented byobjects that observe Observable objects.
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What is the purpose of the wait(), notify(), and notifyAll() methods
The wait(),notify(), and notifyAll() methods are used to provide an efficient way forthreads to wait for a shared resource. When a thread executes an object's wait() method, itenters the waiting state. It only enters the ready state after another thread invokes theobject's notify() or notifyAll() methods..
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How are commas used in the intialization and iteration parts of a for statement
Commas are used to separate multiple statements within the initialization and iterationparts of a for statement.
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