Can java hashmap have duplicate keys?
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what is the use of private constructor in core java?
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Explain about automatic type conversion in java?
Is java based on c?
What is difference between static class and singleton pattern?
How do you make an arraylist empty in java?
What is the default value of float and double datatype in java?
Addition to previous section relative word 5th one was Putrid ans: rotten, also there was prob. in 1st section on bucket weight ans:10kg, also there was a prob. on train speed to find bridge length ans:800 mtrs.
Can we call the constructor of a class more than once for an object?
what is the role of xml in core java?? and how we can use it?? can somebody give a sample program with explanation and from where i can read more about xml?????
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What is double in java?
What if the main() method is declared as private? What happens when the static modifier is removed from the signature of the main() method?
What are order of precedence and associativity, and how are they used?