2.Given an array of integers, you have to find all pairs of elements in this array such that whose sum must be equal to a given number. For example, if {4, 5, 7, 11, 9, 13, 8, 12} is an array and 20 is the given number, then you have to find all pairs of elements in this array whose sum must be 20. In this example, (9, 11), (7, 13) and (8, 12) are such pairs whose sum is 20.
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Oops concepts Exception Threding Static Final
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Can you tells tue verbs used in REST
In the online test, there were six questions based on Java topics. Two questions were related to arrays, involving sorting arrays in ascending and descending order. Two questions were on regular expressions, concerning validating phone numbers and emails. Two questions focused on strings, including splitting the string and counting the words and finding vowels in a string.
mostly about java full stack
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