Author: anagendrakumar2020
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How to extract characters and numbers from an Alphanumeric value
This is the first solution to extract characters and numbers from an alpha numeric value into separate strings. This program uses the Character class methods.
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How to find Nth largest number in an array
This is the first solution to find the Nth largest number from an array of given numbers. This program uses the sort method of the Arrays class.
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How to find subsets of a given string
This is the second solution to list all the subsets or substrings of a given string. This program does not use the substring method, instead uses the StringBuilder class append method.
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How to find subsets of a given string
This is the first solution to list all the subsets or substrings of a given string. This uses the String’s class substring method for intermediate processing of all sized sub strings.
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How to check whether a number is Disarium or not
This is the first solution to check the number for Disarium. This solution uses String class, and a couple of Character functions to evaluate the sum of powers. The Disarium number is say for a given number 351, evaluate the powers from the left side as power (3 * 1) + power (5 * 2)…
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How to reverse all the numbers at even positions in an array of integers
This is the first solution to reverse all the numbers at even positions. This solution modifies the same array. The resultant array has all the numbers reversed only even positions.
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How to move all Zero numbers to end in an array of integers using temp array
This is the second solution to move all Zero numbers to the end of an array of integers. This solution uses the temporary array. The resultant array has all non-zero numbers moved left, and all Zero numbers moved to the end.
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How to move all Zero numbers to end in an array of integers
This is the first solution to move all Zero numbers to the end of an array of integers. This solution modifies the same array with all non-zero numbers moving left, and Zero numbers moved to the end.
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How to count whether any number in an array repeated twice or thrice
This is the second solution to count whether any of the number in an array repeated twice or thrice from the same array of integers using Collections class.
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How to count whether any number in an array repeated twice or thrice
This is the first solution to count whether any of the number in an array repeated twice or thrice from the same array of integers using HashMap collection.
Java Ice Breakers 