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How does garbage collection work
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Which Container method is used to cause a container to be laid out and redisplayed? |
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What is the difference between Applet and japplet? What are the traverses in binary tree? Write down how will you create a Binary tree? What is constructor and virtual function? Can we call a virtual function in a constructor? give example.
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What happens when a thread cannot acquire a lock on an object? |
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What is the exact difference in between Unicast and Multicast object. Where we will use? |
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What is the functionality stubs and skeletons? |
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How to use C++ code in Java Program?
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How can you push data from an Applet to Servlet? |
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What are interfaces? or How to support multiple inheritance in Java?
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if two overloaded methods are- Test(Object xyz) and test(Customer cust)[Assume Customer is a class with member name of type String].Now if we call test(null), which method will be called? why?
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What is a memory footprint? How can you specify the lower and upper limits of the RAM used by the JVM? What happens when the JVM needs more memory
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Imagine there is a class Employee. We create an object of Employee Employee a= New Employee(); If we are giving System.out.println(a); What gets printed?
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What are wrapped classes? |
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What is abstract method
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What is the % operator? |
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What is a void return type? |
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Why we need to serialize the object
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What is JDBC. How do you connect to the Database
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How are the elements of a GridBagLayout organized? |
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Which Collection class is used for LIFO in Java? |
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