Q. Which of these method Map class is used to obtain an element in the map having specified key?

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Q. Which of these methods can be used to obtain set of all keys in a map?

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Q. Which of these method is used add an element and corresponding key to a map?

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Q. Which of these class object can be used to form a dynamic array?

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Q. Which of these are legacy classes?

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Q. Which of these is the interface of legacy?

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Q. What is the name of a data member of class Vector which is used to store a number of elements in the vector?

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Q. Which of these methods is used to add elements in vector at specific location?

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Q. Which of these class object uses the key to store value?

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Q. Which of these method is used to insert value and its key?

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Q. Which of these is the interface of legacy is implemented by Hashtable and Dictionary classes?

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Q. Which of these is a class which uses String as a key to store the value in object?

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Q. Which of these methods is used to retrieve the elements in properties object at specific location?

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Q. Which of these class object has an architecture similar to that of array?

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Q. Which of these method is used to make a bit zero specified by the index?

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Q. Which of these method is used to calculate number of bits required to hold the BitSet object?

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Q. Which of these is a method of class Date which is used to search whether object contains a date before the specified date?

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Q. Which of these methods is used to retrieve elements in BitSet object at specific location?

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Q. What is Remote method invocation (RMI)?

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Q. Which of these package is used for remote method invocation?

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